This update applies to the following:
- Windows 10, version 2004 for 32-bit Systems
- Windows 10, version 2004 for x64-based Systems
- Windows 10, version 2004 for ARM64-based Systems
- Windows Server, version 2004 (Server Core installation)
- Windows 10, version 20H2 for 32-bit Systems
- Windows 10, version 20H2 for x64-based Systems
- Windows 10, version 20H2 for ARM64-based Systems
Summary
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.
How to get this update
Method 1: Windows Update
This update is available through Windows Update. It will be downloaded and installed automatically.
Method 2: Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
Method 3: Windows Server Update Services
This update is also available through Windows Server Update Services (WSUS).
Prerequisites
There are no prerequisites to apply this update.
Restart information
You don't have to restart your device after you apply this update.
Removal information
Servicing stack updates (SSUs) make changes to how updates are installed and cannot be uninstalled from the device.
Update replacement information
- For Windows 10, version 2004, this update replaces the previously released update KB4577266.
- For Windows 10, version 20H2, this update does not replace any previously released update.
File Information
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.
File verification
File hash information
| File name | SHA1 hash | SHA256 hash |
|---|---|---|
| Windows10.0-KB4586864-x86.msu | 48CECF400E742DFD869B3AA9DFC3C05F26A5D071 | 587B430A47BC08CAFC9378AEE3040AD3931A5D96BBA45C218439C0CD7BE627C5 |
| Windows10.0-KB4586864-x64.msu | 5F66D63FEE60AFCEAFB382A7397F9B17007EBD14 | 88DB10F7056F831123CF7BFF0C731058693ABEB5D374E4043C20923D09063CC2 |
| Windows10.0-KB4586864-arm64.msu | 378E7D91BAEEE987D9EA5E3A412A7F871EAA6980 | 46F0DEF7EBB2E2CC2DDF1574EC25025F2034EE1681E4EB9A0398F3C9B5925B92 |
For all supported x86-based versions
| File name | File version | File size | Date | Time |
|---|---|---|---|---|
| Appxprovisionpackage.dll | 10.0.19041.621 | 75,080 | 15-Oct-2020 | 03:40 |
| Appxreg.dll | 10.0.19041.621 | 38,200 | 15-Oct-2020 | 03:35 |
| Cmifw.dll | 10.0.19041.621 | 85,816 | 15-Oct-2020 | 03:39 |
| Eventsinstaller.dll | 10.0.19041.621 | 191,304 | 15-Oct-2020 | 03:39 |
| Firewallofflineapi.dll | 10.0.19041.621 | 172,856 | 15-Oct-2020 | 03:35 |
| Grouptrusteeai.dll | 10.0.19041.621 | 38,712 | 15-Oct-2020 | 03:39 |
| Httpai.dll | 10.0.19041.621 | 27,976 | 15-Oct-2020 | 03:39 |
| Implatsetup.dll | 10.0.19041.621 | 98,120 | 15-Oct-2020 | 03:39 |
| Luainstall.dll | 10.0.19041.621 | 55,096 | 15-Oct-2020 | 03:39 |
| Netfxconfig.dll | 10.0.19041.621 | 25,912 | 15-Oct-2020 | 03:39 |
| Netsetupai.dll | 10.0.19041.621 | 121,656 | 15-Oct-2020 | 03:35 |
| Netsetupapi.dll | 10.0.19041.621 | 108,344 | 15-Oct-2020 | 03:35 |
| Netsetupengine.dll | 10.0.19041.621 | 578,360 | 15-Oct-2020 | 03:35 |
| Perfcounterinstaller.dll | 10.0.19041.621 | 120,136 | 15-Oct-2020 | 03:39 |
| Timezoneai.dll | 10.0.19041.621 | 59,192 | 15-Oct-2020 | 03:39 |
| Winsockai.dll | 10.0.19041.621 | 75,592 | 15-Oct-2020 | 03:39 |
| Wmicmiplugin.dll | 10.0.19041.621 | 284,472 | 15-Oct-2020 | 03:39 |
| Ws2_helper.dll | 10.0.19041.621 | 88,904 | 15-Oct-2020 | 03:39 |
| Offlinelsa.dll | 10.0.19041.621 | 115,000 | 15-Oct-2020 | 03:35 |
| Offlinesam.dll | 10.0.19041.621 | 225,080 | 15-Oct-2020 | 03:36 |
| Esscli.dll | 10.0.19041.621 | 297,800 | 15-Oct-2020 | 03:39 |
| Fastprox.dll | 10.0.19041.621 | 702,264 | 15-Oct-2020 | 03:39 |
| Mofd.dll | 10.0.19041.621 | 205,640 | 15-Oct-2020 | 03:40 |
| Mofinstall.dll | 10.0.19041.621 | 73,032 | 15-Oct-2020 | 03:39 |
| Repdrvfs.dll | 10.0.19041.621 | 280,376 | 15-Oct-2020 | 03:39 |
| Wbemcomn.dll | 10.0.19041.621 | 395,592 | 15-Oct-2020 | 03:39 |
| Wbemcore.dll | 10.0.19041.621 | 1,454,392 | 15-Oct-2020 | 03:39 |
| Wbemprox.dll | 10.0.19041.621 | 37,176 | 15-Oct-2020 | 03:39 |
| Wmiutils.dll | 10.0.19041.621 | 97,608 | 15-Oct-2020 | 03:40 |
| Shtransform.dll | 10.0.19041.621 | 33,080 | 15-Oct-2020 | 07:55 |
| Bfsvc.dll | 10.0.19041.621 | 192,328 | 15-Oct-2020 | 03:39 |
| Fveupdateai.dll | 10.0.19041.621 | 34,616 | 15-Oct-2020 | 03:39 |
| Securebootai.dll | 10.0.19041.621 | 29,000 | 15-Oct-2020 | 03:39 |
| Bcdeditai.dll | 10.0.19041.621 | 172,856 | 15-Oct-2020 | 03:49 |
| Configureieoptionalcomponentsai.dll | 10.0.19041.621 | 45,368 | 15-Oct-2020 | 07:59 |
| Featuresettingsoverride.dll | 10.0.19041.621 | 34,120 | 15-Oct-2020 | 07:59 |
| Iefileinstallai.dll | 10.0.19041.621 | 32,568 | 15-Oct-2020 | 07:58 |
| Msdtcadvancedinstaller.dll | 10.0.19041.621 | 52,536 | 15-Oct-2020 | 07:59 |
| Netfxconfig.dll | 10.0.19041.621 | 25,912 | 15-Oct-2020 | 03:39 |
| Peerdistai.dll | 10.0.19041.621 | 32,056 | 15-Oct-2020 | 07:58 |
| Printadvancedinstaller.dll | 10.0.19041.621 | 90,936 | 15-Oct-2020 | 07:59 |
| Servicemodelregai.dll | 10.0.19041.621 | 72,520 | 15-Oct-2020 | 07:59 |
| Setieinstalleddateai.dll | 10.0.19041.621 | 22,328 | 15-Oct-2020 | 07:59 |
| Primitivetransformers.dll | 10.0.19041.621 | 47,928 | 15-Oct-2020 | 03:35 |
| Sppinst.dll | 10.0.19041.621 | 36,168 | 15-Oct-2020 | 03:39 |
| Grouptrusteeai.dll | 10.0.19041.621 | 38,712 | 15-Oct-2020 | 03:39 |
| Aritransformer.dll | 10.0.19041.621 | 47,944 | 15-Oct-2020 | 03:39 |
| Wpndatatransformer.dll | 10.0.19041.621 | 30,536 | 15-Oct-2020 | 03:39 |
| Mqcmiplugin.dll | 5.0.1.1 | 127,288 | 15-Oct-2020 | 07:58 |
| Appserverai.dll | 10.0.19041.621 | 104,248 | 15-Oct-2020 | 07:56 |
| Rdwebai.dll | 10.0.19041.621 | 105,784 | 15-Oct-2020 | 07:56 |
| Tssdisai.dll | 10.0.19041.621 | 107,832 | 15-Oct-2020 | 07:56 |
| Vmhostai.dll | 10.0.19041.621 | 84,280 | 15-Oct-2020 | 07:55 |
| Iissetupai.dll | 10.0.19041.621 | 99,640 | 15-Oct-2020 | 03:39 |
| Cleanupai.dll | 10.0.19041.621 | 20,808 | 15-Oct-2020 | 03:39 |
| Cbscore.dll | 10.0.19041.621 | 2,169,656 | 15-Oct-2020 | 03:35 |
| Cbsmsg.dll | 10.0.19041.621 | 52,040 | 15-Oct-2020 | 03:35 |
| Cmiadapter.dll | 10.0.19041.621 | 68,408 | 15-Oct-2020 | 03:35 |
| Cmiaisupport.dll | 10.0.19041.621 | 1,653,560 | 15-Oct-2020 | 03:35 |
| Dpx.dll | 10.0.19041.621 | 554,808 | 15-Oct-2020 | 03:35 |
| Drupdate.dll | 10.0.19041.621 | 310,584 | 15-Oct-2020 | 03:35 |
| Drvstore.dll | 10.0.19041.621 | 1,003,320 | 15-Oct-2020 | 03:35 |
| Globalinstallorder.xml | Not applicable | 1,247,506 | 15-Jul-2020 | 02:49 |
| Msdelta.dll | 5.0.1.1 | 427,320 | 15-Oct-2020 | 03:35 |
| Mspatcha.dll | 5.0.1.1 | 44,344 | 15-Oct-2020 | 03:35 |
| Poqexec.exe | 10.0.19041.621 | 391,168 | 15-Oct-2020 | 03:14 |
| Reservemanager.dll | 10.0.19041.621 | 205,624 | 15-Oct-2020 | 03:35 |
| Smiengine.dll | 10.0.19041.621 | 701,752 | 15-Oct-2020 | 03:35 |
| Smipi.dll | 10.0.19041.621 | 31,544 | 15-Oct-2020 | 03:35 |
| Tifilefetcher.exe | 10.0.19041.621 | 368,952 | 15-Oct-2020 | 03:35 |
| Tiworker.exe | 10.0.19041.621 | 226,104 | 15-Oct-2020 | 03:35 |
| Turbostack.dll | 10.0.19041.621 | 594,744 | 15-Oct-2020 | 03:35 |
| Updateagent.dll | 10.0.19041.621 | 2,115,384 | 15-Oct-2020 | 03:35 |
| Wcmtypes.xsd | Not applicable | 1,047 | 15-Jul-2020 | 02:49 |
| Wcp.dll | 10.0.19041.621 | 3,164,472 | 15-Oct-2020 | 03:35 |
| Wdscore.dll | 10.0.19041.621 | 207,160 | 15-Oct-2020 | 03:35 |
| Wrpint.dll | 10.0.19041.621 | 64,312 | 15-Oct-2020 | 03:35 |
For all supported x64-based versions
| File name | File version | File size | Date | Time |
|---|---|---|---|---|
| Appxprovisionpackage.dll | 10.0.19041.621 | 88,392 | 15-Oct-2020 | 04:05 |
| Appxreg.dll | 10.0.19041.621 | 45,880 | 15-Oct-2020 | 04:03 |
| Cmifw.dll | 10.0.19041.621 | 106,312 | 15-Oct-2020 | 04:05 |
| Eventsinstaller.dll | 10.0.19041.621 | 245,560 | 15-Oct-2020 | 04:05 |
| Firewallofflineapi.dll | 10.0.19041.621 | 204,088 | 15-Oct-2020 | 04:03 |
| Grouptrusteeai.dll | 10.0.19041.621 | 45,880 | 15-Oct-2020 | 04:05 |
| Httpai.dll | 10.0.19041.621 | 32,584 | 15-Oct-2020 | 04:05 |
| Implatsetup.dll | 10.0.19041.621 | 135,480 | 15-Oct-2020 | 04:06 |
| Luainstall.dll | 10.0.19041.621 | 69,960 | 15-Oct-2020 | 04:05 |
| Netfxconfig.dll | 10.0.19041.621 | 30,536 | 15-Oct-2020 | 04:05 |
| Netsetupai.dll | 10.0.19041.621 | 165,704 | 15-Oct-2020 | 04:03 |
| Netsetupapi.dll | 10.0.19041.621 | 146,232 | 15-Oct-2020 | 04:03 |
| Netsetupengine.dll | 10.0.19041.621 | 809,272 | 15-Oct-2020 | 04:03 |
| Perfcounterinstaller.dll | 10.0.19041.621 | 146,248 | 15-Oct-2020 | 04:05 |
| Timezoneai.dll | 10.0.19041.621 | 72,520 | 15-Oct-2020 | 04:05 |
| Winsockai.dll | 10.0.19041.621 | 83,784 | 15-Oct-2020 | 04:05 |
| Wmicmiplugin.dll | 10.0.19041.621 | 359,224 | 15-Oct-2020 | 04:05 |
| Ws2_helper.dll | 10.0.19041.621 | 109,880 | 15-Oct-2020 | 04:05 |
| Offlinelsa.dll | 10.0.19041.621 | 134,968 | 15-Oct-2020 | 04:03 |
| Offlinesam.dll | 10.0.19041.621 | 260,920 | 15-Oct-2020 | 04:04 |
| Esscli.dll | 10.0.19041.621 | 417,080 | 15-Oct-2020 | 04:05 |
| Fastprox.dll | 10.0.19041.621 | 950,584 | 15-Oct-2020 | 04:05 |
| Mofd.dll | 10.0.19041.621 | 270,664 | 15-Oct-2020 | 04:05 |
| Mofinstall.dll | 10.0.19041.621 | 98,616 | 15-Oct-2020 | 04:05 |
| Repdrvfs.dll | 10.0.19041.621 | 380,728 | 15-Oct-2020 | 04:05 |
| Wbemcomn.dll | 10.0.19041.621 | 491,832 | 15-Oct-2020 | 04:05 |
| Wbemcore.dll | 10.0.19041.621 | 1,780,536 | 15-Oct-2020 | 04:05 |
| Wbemprox.dll | 10.0.19041.621 | 46,408 | 15-Oct-2020 | 04:05 |
| Wmiutils.dll | 10.0.19041.621 | 123,192 | 15-Oct-2020 | 04:05 |
| Shtransform.dll | 10.0.19041.621 | 40,248 | 15-Oct-2020 | 09:18 |
| Bfsvc.dll | 10.0.19041.621 | 235,832 | 15-Oct-2020 | 04:05 |
| Fveupdateai.dll | 10.0.19041.621 | 40,264 | 15-Oct-2020 | 04:05 |
| Securebootai.dll | 10.0.19041.621 | 34,120 | 15-Oct-2020 | 04:05 |
| Bcdeditai.dll | 10.0.19041.621 | 175,944 | 15-Oct-2020 | 04:12 |
| Configureieoptionalcomponentsai.dll | 10.0.19041.621 | 52,552 | 15-Oct-2020 | 09:21 |
| Featuresettingsoverride.dll | 10.0.19041.621 | 40,264 | 15-Oct-2020 | 09:20 |
| Iefileinstallai.dll | 10.0.19041.621 | 37,704 | 15-Oct-2020 | 09:21 |
| Msdtcadvancedinstaller.dll | 10.0.19041.621 | 62,792 | 15-Oct-2020 | 09:21 |
| Netfxconfig.dll | 10.0.19041.621 | 30,536 | 15-Oct-2020 | 04:05 |
| Peerdistai.dll | 10.0.19041.621 | 38,200 | 15-Oct-2020 | 09:20 |
| Printadvancedinstaller.dll | 10.0.19041.621 | 107,832 | 15-Oct-2020 | 09:21 |
| Servicemodelregai.dll | 10.0.19041.621 | 92,984 | 15-Oct-2020 | 09:20 |
| Setieinstalleddateai.dll | 10.0.19041.621 | 25,416 | 15-Oct-2020 | 09:21 |
| Primitivetransformers.dll | 10.0.19041.621 | 62,776 | 15-Oct-2020 | 04:03 |
| Sppinst.dll | 10.0.19041.621 | 44,344 | 15-Oct-2020 | 04:05 |
| Grouptrusteeai.dll | 10.0.19041.621 | 45,880 | 15-Oct-2020 | 04:05 |
| Aritransformer.dll | 10.0.19041.621 | 57,672 | 15-Oct-2020 | 04:05 |
| Wpndatatransformer.dll | 10.0.19041.621 | 37,704 | 15-Oct-2020 | 04:05 |
| Mqcmiplugin.dll | 5.0.1.1 | 158,520 | 15-Oct-2020 | 09:28 |
| Appserverai.dll | 10.0.19041.621 | 132,424 | 15-Oct-2020 | 09:19 |
| Rdwebai.dll | 10.0.19041.621 | 127,816 | 15-Oct-2020 | 09:18 |
| Tssdisai.dll | 10.0.19041.621 | 134,984 | 15-Oct-2020 | 09:19 |
| Vmhostai.dll | 10.0.19041.621 | 106,824 | 15-Oct-2020 | 09:19 |
| Iissetupai.dll | 10.0.19041.621 | 125,752 | 15-Oct-2020 | 04:05 |
| Cleanupai.dll | 10.0.19041.621 | 23,880 | 15-Oct-2020 | 04:05 |
| Cbscore.dll | 10.0.19041.621 | 2,605,880 | 15-Oct-2020 | 04:03 |
| Cbsmsg.dll | 10.0.19041.621 | 53,048 | 15-Oct-2020 | 04:03 |
| Cmiadapter.dll | 10.0.19041.621 | 83,784 | 15-Oct-2020 | 04:03 |
| Cmiaisupport.dll | 10.0.19041.621 | 2,562,872 | 15-Oct-2020 | 04:03 |
| Dpx.dll | 10.0.19041.621 | 737,080 | 15-Oct-2020 | 04:03 |
| Drupdate.dll | 10.0.19041.621 | 388,920 | 15-Oct-2020 | 04:03 |
| Drvstore.dll | 10.0.19041.621 | 1,280,312 | 15-Oct-2020 | 04:03 |
| Globalinstallorder.xml | Not applicable | 1,247,506 | 20-Jun-2020 | 16:09 |
| Msdelta.dll | 5.0.1.1 | 531,784 | 15-Oct-2020 | 04:03 |
| Mspatcha.dll | 5.0.1.1 | 56,120 | 15-Oct-2020 | 04:03 |
| Poqexec.exe | 10.0.19041.621 | 495,616 | 15-Oct-2020 | 03:22 |
| Reservemanager.dll | 10.0.19041.621 | 266,040 | 15-Oct-2020 | 04:03 |
| Smiengine.dll | 10.0.19041.621 | 871,736 | 15-Oct-2020 | 04:03 |
| Smipi.dll | 10.0.19041.621 | 37,176 | 15-Oct-2020 | 04:03 |
| Tifilefetcher.exe | 10.0.19041.621 | 462,648 | 15-Oct-2020 | 04:03 |
| Tiworker.exe | 10.0.19041.621 | 239,416 | 15-Oct-2020 | 04:03 |
| Turbostack.dll | 10.0.19041.621 | 812,856 | 15-Oct-2020 | 04:03 |
| Updateagent.dll | 10.0.19041.621 | 2,765,624 | 15-Oct-2020 | 04:03 |
| Wcmtypes.xsd | Not applicable | 1,047 | 20-Jun-2020 | 16:09 |
| Wcp.dll | 10.0.19041.621 | 3,837,752 | 15-Oct-2020 | 04:03 |
| Wdscore.dll | 10.0.19041.621 | 258,872 | 15-Oct-2020 | 04:03 |
| Wrpint.dll | 10.0.19041.621 | 75,576 | 15-Oct-2020 | 04:03 |
| Appxprovisionpackage.dll | 10.0.19041.621 | 75,080 | 15-Oct-2020 | 03:40 |
| Appxreg.dll | 10.0.19041.621 | 38,200 | 15-Oct-2020 | 03:35 |
| Cmifw.dll | 10.0.19041.621 | 85,816 | 15-Oct-2020 | 03:39 |
| Eventsinstaller.dll | 10.0.19041.621 | 191,304 | 15-Oct-2020 | 03:39 |
| Firewallofflineapi.dll | 10.0.19041.621 | 172,856 | 15-Oct-2020 | 03:35 |
| Grouptrusteeai.dll | 10.0.19041.621 | 38,712 | 15-Oct-2020 | 03:39 |
| Httpai.dll | 10.0.19041.621 | 27,976 | 15-Oct-2020 | 03:39 |
| Implatsetup.dll | 10.0.19041.621 | 98,120 | 15-Oct-2020 | 03:39 |
| Luainstall.dll | 10.0.19041.621 | 55,096 | 15-Oct-2020 | 03:39 |
| Netfxconfig.dll | 10.0.19041.621 | 25,912 | 15-Oct-2020 | 03:39 |
| Netsetupai.dll | 10.0.19041.621 | 121,656 | 15-Oct-2020 | 03:35 |
| Netsetupapi.dll | 10.0.19041.621 | 108,344 | 15-Oct-2020 | 03:35 |
| Netsetupengine.dll | 10.0.19041.621 | 578,360 | 15-Oct-2020 | 03:35 |
| Perfcounterinstaller.dll | 10.0.19041.621 | 120,136 | 15-Oct-2020 | 03:39 |
| Timezoneai.dll | 10.0.19041.621 | 59,192 | 15-Oct-2020 | 03:39 |
| Winsockai.dll | 10.0.19041.621 | 75,592 | 15-Oct-2020 | 03:39 |
| Wmicmiplugin.dll | 10.0.19041.621 | 284,472 | 15-Oct-2020 | 03:39 |
| Ws2_helper.dll | 10.0.19041.621 | 88,904 | 15-Oct-2020 | 03:39 |
| Offlinelsa.dll | 10.0.19041.621 | 115,000 | 15-Oct-2020 | 03:35 |
| Offlinesam.dll | 10.0.19041.621 | 225,080 | 15-Oct-2020 | 03:36 |
| Esscli.dll | 10.0.19041.621 | 297,800 | 15-Oct-2020 | 03:39 |
| Fastprox.dll | 10.0.19041.621 | 702,264 | 15-Oct-2020 | 03:39 |
| Mofd.dll | 10.0.19041.621 | 205,640 | 15-Oct-2020 | 03:40 |
| Mofinstall.dll | 10.0.19041.621 | 73,032 | 15-Oct-2020 | 03:39 |
| Repdrvfs.dll | 10.0.19041.621 | 280,376 | 15-Oct-2020 | 03:39 |
| Wbemcomn.dll | 10.0.19041.621 | 395,592 | 15-Oct-2020 | 03:39 |
| Wbemcore.dll | 10.0.19041.621 | 1,454,392 | 15-Oct-2020 | 03:39 |
| Wbemprox.dll | 10.0.19041.621 | 37,176 | 15-Oct-2020 | 03:39 |
| Wmiutils.dll | 10.0.19041.621 | 97,608 | 15-Oct-2020 | 03:40 |
| Shtransform.dll | 10.0.19041.621 | 33,080 | 15-Oct-2020 | 07:55 |
| Bfsvc.dll | 10.0.19041.621 | 192,328 | 15-Oct-2020 | 03:39 |
| Fveupdateai.dll | 10.0.19041.621 | 34,616 | 15-Oct-2020 | 03:39 |
| Securebootai.dll | 10.0.19041.621 | 29,000 | 15-Oct-2020 | 03:39 |
| Bcdeditai.dll | 10.0.19041.621 | 172,856 | 15-Oct-2020 | 03:49 |
| Configureieoptionalcomponentsai.dll | 10.0.19041.621 | 45,368 | 15-Oct-2020 | 07:59 |
| Featuresettingsoverride.dll | 10.0.19041.621 | 34,120 | 15-Oct-2020 | 07:59 |
| Iefileinstallai.dll | 10.0.19041.621 | 32,568 | 15-Oct-2020 | 07:58 |
| Msdtcadvancedinstaller.dll | 10.0.19041.621 | 52,536 | 15-Oct-2020 | 07:59 |
| Netfxconfig.dll | 10.0.19041.621 | 25,912 | 15-Oct-2020 | 03:39 |
| Peerdistai.dll | 10.0.19041.621 | 32,056 | 15-Oct-2020 | 07:58 |
| Printadvancedinstaller.dll | 10.0.19041.621 | 90,936 | 15-Oct-2020 | 07:59 |
| Servicemodelregai.dll | 10.0.19041.621 | 72,520 | 15-Oct-2020 | 07:59 |
| Setieinstalleddateai.dll | 10.0.19041.621 | 22,328 | 15-Oct-2020 | 07:59 |
| Primitivetransformers.dll | 10.0.19041.621 | 47,928 | 15-Oct-2020 | 03:35 |
| Sppinst.dll | 10.0.19041.621 | 36,168 | 15-Oct-2020 | 03:39 |
| Grouptrusteeai.dll | 10.0.19041.621 | 38,712 | 15-Oct-2020 | 03:39 |
| Aritransformer.dll | 10.0.19041.621 | 47,944 | 15-Oct-2020 | 03:39 |
| Wpndatatransformer.dll | 10.0.19041.621 | 30,536 | 15-Oct-2020 | 03:39 |
| Appserverai.dll | 10.0.19041.621 | 104,248 | 15-Oct-2020 | 07:56 |
| Rdwebai.dll | 10.0.19041.621 | 105,784 | 15-Oct-2020 | 07:56 |
| Tssdisai.dll | 10.0.19041.621 | 107,832 | 15-Oct-2020 | 07:56 |
| Vmhostai.dll | 10.0.19041.621 | 84,280 | 15-Oct-2020 | 07:55 |
| Iissetupai.dll | 10.0.19041.621 | 99,640 | 15-Oct-2020 | 03:39 |
| Cleanupai.dll | 10.0.19041.621 | 20,808 | 15-Oct-2020 | 03:39 |
| Cbscore.dll | 10.0.19041.621 | 2,169,656 | 15-Oct-2020 | 03:35 |
| Cbsmsg.dll | 10.0.19041.621 | 52,040 | 15-Oct-2020 | 03:35 |
| Cmiadapter.dll | 10.0.19041.621 | 68,408 | 15-Oct-2020 | 03:35 |
| Cmiaisupport.dll | 10.0.19041.621 | 1,653,560 | 15-Oct-2020 | 03:35 |
| Dpx.dll | 10.0.19041.621 | 554,808 | 15-Oct-2020 | 03:35 |
| Drupdate.dll | 10.0.19041.621 | 310,584 | 15-Oct-2020 | 03:35 |
| Drvstore.dll | 10.0.19041.621 | 1,003,320 | 15-Oct-2020 | 03:35 |
| Globalinstallorder.xml | Not applicable | 1,247,506 | 15-Jul-2020 | 02:49 |
| Msdelta.dll | 5.0.1.1 | 427,320 | 15-Oct-2020 | 03:35 |
| Mspatcha.dll | 5.0.1.1 | 44,344 | 15-Oct-2020 | 03:35 |
| Poqexec.exe | 10.0.19041.621 | 391,168 | 15-Oct-2020 | 03:14 |
| Reservemanager.dll | 10.0.19041.621 | 205,624 | 15-Oct-2020 | 03:35 |
| Smiengine.dll | 10.0.19041.621 | 701,752 | 15-Oct-2020 | 03:35 |
| Smipi.dll | 10.0.19041.621 | 31,544 | 15-Oct-2020 | 03:35 |
| Tifilefetcher.exe | 10.0.19041.621 | 368,952 | 15-Oct-2020 | 03:35 |
| Tiworker.exe | 10.0.19041.621 | 226,104 | 15-Oct-2020 | 03:35 |
| Turbostack.dll | 10.0.19041.621 | 594,744 | 15-Oct-2020 | 03:35 |
| Updateagent.dll | 10.0.19041.621 | 2,115,384 | 15-Oct-2020 | 03:35 |
| Wcmtypes.xsd | Not applicable | 1,047 | 15-Jul-2020 | 02:49 |
| Wcp.dll | 10.0.19041.621 | 3,164,472 | 15-Oct-2020 | 03:35 |
| Wdscore.dll | 10.0.19041.621 | 207,160 | 15-Oct-2020 | 03:35 |
| Wrpint.dll | 10.0.19041.621 | 64,312 | 15-Oct-2020 | 03:35 |
For all supported ARM-based versions
| File name | File version | File size | Date | Time |
|---|---|---|---|---|
| Appxprovisionpackage.dll | 10.0.19041.621 | 95,560 | 15-Oct-2020 | 03:57 |
| Appxreg.dll | 10.0.19041.621 | 48,440 | 15-Oct-2020 | 03:53 |
| Cmifw.dll | 10.0.19041.621 | 105,800 | 15-Oct-2020 | 03:57 |
| Eventsinstaller.dll | 10.0.19041.621 | 257,352 | 15-Oct-2020 | 03:57 |
| Firewallofflineapi.dll | 10.0.19041.621 | 205,624 | 15-Oct-2020 | 03:53 |
| Grouptrusteeai.dll | 10.0.19041.621 | 46,920 | 15-Oct-2020 | 03:57 |
| Httpai.dll | 10.0.19041.621 | 34,120 | 15-Oct-2020 | 03:57 |
| Implatsetup.dll | 10.0.19041.621 | 142,664 | 15-Oct-2020 | 03:57 |
| Luainstall.dll | 10.0.19041.621 | 74,040 | 15-Oct-2020 | 03:57 |
| Netfxconfig.dll | 10.0.19041.621 | 31,560 | 15-Oct-2020 | 03:57 |
| Netsetupai.dll | 10.0.19041.621 | 162,104 | 15-Oct-2020 | 03:53 |
| Netsetupapi.dll | 10.0.19041.621 | 143,672 | 15-Oct-2020 | 03:55 |
| Netsetupengine.dll | 10.0.19041.621 | 949,048 | 15-Oct-2020 | 03:54 |
| Perfcounterinstaller.dll | 10.0.19041.621 | 147,272 | 15-Oct-2020 | 03:57 |
| Timezoneai.dll | 10.0.19041.621 | 72,008 | 15-Oct-2020 | 03:57 |
| Winsockai.dll | 10.0.19041.621 | 84,280 | 15-Oct-2020 | 03:57 |
| Wmicmiplugin.dll | 10.0.19041.621 | 375,112 | 15-Oct-2020 | 03:57 |
| Ws2_helper.dll | 10.0.19041.621 | 107,336 | 15-Oct-2020 | 03:57 |
| Offlinelsa.dll | 10.0.19041.621 | 141,624 | 15-Oct-2020 | 03:54 |
| Offlinesam.dll | 10.0.19041.621 | 265,032 | 15-Oct-2020 | 03:54 |
| Esscli.dll | 10.0.19041.621 | 454,472 | 15-Oct-2020 | 03:57 |
| Fastprox.dll | 10.0.19041.621 | 1,033,528 | 15-Oct-2020 | 03:57 |
| Mofd.dll | 10.0.19041.621 | 297,288 | 15-Oct-2020 | 03:57 |
| Mofinstall.dll | 10.0.19041.621 | 103,240 | 15-Oct-2020 | 03:57 |
| Repdrvfs.dll | 10.0.19041.621 | 409,928 | 15-Oct-2020 | 03:57 |
| Wbemcomn.dll | 10.0.19041.621 | 512,840 | 15-Oct-2020 | 03:57 |
| Wbemcore.dll | 10.0.19041.621 | 1,929,544 | 15-Oct-2020 | 03:57 |
| Wbemprox.dll | 10.0.19041.621 | 48,968 | 15-Oct-2020 | 03:57 |
| Wmiutils.dll | 10.0.19041.621 | 132,936 | 15-Oct-2020 | 03:57 |
| Shtransform.dll | 10.0.19041.621 | 41,800 | 15-Oct-2020 | 08:28 |
| Bfsvc.dll | 10.0.19041.621 | 244,040 | 15-Oct-2020 | 03:57 |
| Fveupdateai.dll | 10.0.19041.621 | 41,288 | 15-Oct-2020 | 03:57 |
| Securebootai.dll | 10.0.19041.621 | 35,656 | 15-Oct-2020 | 03:57 |
| Bcdeditai.dll | 10.0.19041.621 | 176,952 | 15-Oct-2020 | 04:04 |
| Configureieoptionalcomponentsai.dll | 10.0.19041.621 | 54,072 | 15-Oct-2020 | 08:30 |
| Featuresettingsoverride.dll | 10.0.19041.621 | 42,296 | 15-Oct-2020 | 08:30 |
| Iefileinstallai.dll | 10.0.19041.621 | 39,752 | 15-Oct-2020 | 08:28 |
| Msdtcadvancedinstaller.dll | 10.0.19041.621 | 65,336 | 15-Oct-2020 | 08:30 |
| Netfxconfig.dll | 10.0.19041.621 | 31,560 | 15-Oct-2020 | 03:57 |
| Peerdistai.dll | 10.0.19041.621 | 39,736 | 15-Oct-2020 | 08:30 |
| Printadvancedinstaller.dll | 10.0.19041.621 | 114,488 | 15-Oct-2020 | 08:30 |
| Servicemodelregai.dll | 10.0.19041.621 | 94,008 | 15-Oct-2020 | 08:30 |
| Setieinstalleddateai.dll | 10.0.19041.621 | 25,912 | 15-Oct-2020 | 08:30 |
| Primitivetransformers.dll | 10.0.19041.621 | 67,896 | 15-Oct-2020 | 03:54 |
| Sppinst.dll | 10.0.19041.621 | 47,432 | 15-Oct-2020 | 03:57 |
| Grouptrusteeai.dll | 10.0.19041.621 | 46,920 | 15-Oct-2020 | 03:57 |
| Aritransformer.dll | 10.0.19041.621 | 59,208 | 15-Oct-2020 | 03:57 |
| Wpndatatransformer.dll | 10.0.19041.621 | 38,728 | 15-Oct-2020 | 03:57 |
| Appserverai.dll | 10.0.19041.621 | 138,056 | 15-Oct-2020 | 08:28 |
| Rdwebai.dll | 10.0.19041.621 | 133,960 | 15-Oct-2020 | 08:28 |
| Tssdisai.dll | 10.0.19041.621 | 140,616 | 15-Oct-2020 | 08:28 |
| Vmhostai.dll | 10.0.19041.621 | 111,416 | 15-Oct-2020 | 08:31 |
| Iissetupai.dll | 10.0.19041.621 | 130,376 | 15-Oct-2020 | 03:57 |
| Cleanupai.dll | 10.0.19041.621 | 24,392 | 15-Oct-2020 | 03:57 |
| Cbscore.dll | 10.0.19041.621 | 2,560,824 | 15-Oct-2020 | 03:53 |
| Cbsmsg.dll | 10.0.19041.621 | 52,536 | 15-Oct-2020 | 03:53 |
| Cmiadapter.dll | 10.0.19041.621 | 94,008 | 15-Oct-2020 | 03:53 |
| Cmiaisupport.dll | 10.0.19041.621 | 2,845,496 | 15-Oct-2020 | 03:54 |
| Dpx.dll | 10.0.19041.621 | 726,328 | 15-Oct-2020 | 03:53 |
| Drupdate.dll | 10.0.19041.621 | 390,472 | 15-Oct-2020 | 03:53 |
| Drvstore.dll | 10.0.19041.621 | 1,280,312 | 15-Oct-2020 | 03:53 |
| Globalinstallorder.xml | Not applicable | 1,247,506 | 20-Jun-2020 | 18:12 |
| Msdelta.dll | 5.0.1.1 | 532,280 | 15-Oct-2020 | 03:53 |
| Mspatcha.dll | 5.0.1.1 | 55,096 | 15-Oct-2020 | 03:53 |
| Poqexec.exe | 10.0.19041.621 | 501,760 | 15-Oct-2020 | 03:29 |
| Reservemanager.dll | 10.0.19041.621 | 264,008 | 15-Oct-2020 | 03:54 |
| Smiengine.dll | 10.0.19041.621 | 958,264 | 15-Oct-2020 | 03:53 |
| Smipi.dll | 10.0.19041.621 | 39,224 | 15-Oct-2020 | 03:53 |
| Tifilefetcher.exe | 10.0.19041.621 | 466,248 | 15-Oct-2020 | 03:54 |
| Tiworker.exe | 10.0.19041.621 | 254,280 | 15-Oct-2020 | 03:54 |
| Turbostack.dll | 10.0.19041.621 | 859,960 | 15-Oct-2020 | 03:55 |
| Updateagent.dll | 10.0.19041.621 | 2,935,096 | 15-Oct-2020 | 03:53 |
| Wcmtypes.xsd | Not applicable | 1,047 | 20-Jun-2020 | 18:12 |
| Wcp.dll | 10.0.19041.621 | 3,617,080 | 15-Oct-2020 | 03:53 |
| Wdscore.dll | 10.0.19041.621 | 265,016 | 15-Oct-2020 | 03:53 |
| Wrpint.dll | 10.0.19041.621 | 79,160 | 15-Oct-2020 | 03:53 |
| Appxprovisionpackage.dll | 10.0.19041.621 | 75,080 | 15-Oct-2020 | 03:40 |
| Appxreg.dll | 10.0.19041.621 | 38,200 | 15-Oct-2020 | 03:35 |
| Cmifw.dll | 10.0.19041.621 | 85,816 | 15-Oct-2020 | 03:39 |
| Eventsinstaller.dll | 10.0.19041.621 | 191,304 | 15-Oct-2020 | 03:39 |
| Firewallofflineapi.dll | 10.0.19041.621 | 172,856 | 15-Oct-2020 | 03:35 |
| Grouptrusteeai.dll | 10.0.19041.621 | 38,712 | 15-Oct-2020 | 03:39 |
| Httpai.dll | 10.0.19041.621 | 27,976 | 15-Oct-2020 | 03:39 |
| Implatsetup.dll | 10.0.19041.621 | 98,120 | 15-Oct-2020 | 03:39 |
| Luainstall.dll | 10.0.19041.621 | 55,096 | 15-Oct-2020 | 03:39 |
| Netfxconfig.dll | 10.0.19041.621 | 25,912 | 15-Oct-2020 | 03:39 |
| Netsetupai.dll | 10.0.19041.621 | 121,656 | 15-Oct-2020 | 03:35 |
| Netsetupapi.dll | 10.0.19041.621 | 108,344 | 15-Oct-2020 | 03:35 |
| Netsetupengine.dll | 10.0.19041.621 | 578,360 | 15-Oct-2020 | 03:35 |
| Perfcounterinstaller.dll | 10.0.19041.621 | 120,136 | 15-Oct-2020 | 03:39 |
| Timezoneai.dll | 10.0.19041.621 | 59,192 | 15-Oct-2020 | 03:39 |
| Winsockai.dll | 10.0.19041.621 | 75,592 | 15-Oct-2020 | 03:39 |
| Wmicmiplugin.dll | 10.0.19041.621 | 284,472 | 15-Oct-2020 | 03:39 |
| Ws2_helper.dll | 10.0.19041.621 | 88,904 | 15-Oct-2020 | 03:39 |
| Offlinelsa.dll | 10.0.19041.621 | 115,000 | 15-Oct-2020 | 03:35 |
| Offlinesam.dll | 10.0.19041.621 | 225,080 | 15-Oct-2020 | 03:36 |
| Esscli.dll | 10.0.19041.621 | 297,800 | 15-Oct-2020 | 03:39 |
| Fastprox.dll | 10.0.19041.621 | 702,264 | 15-Oct-2020 | 03:39 |
| Mofd.dll | 10.0.19041.621 | 205,640 | 15-Oct-2020 | 03:40 |
| Mofinstall.dll | 10.0.19041.621 | 73,032 | 15-Oct-2020 | 03:39 |
| Repdrvfs.dll | 10.0.19041.621 | 280,376 | 15-Oct-2020 | 03:39 |
| Wbemcomn.dll | 10.0.19041.621 | 395,592 | 15-Oct-2020 | 03:39 |
| Wbemcore.dll | 10.0.19041.621 | 1,454,392 | 15-Oct-2020 | 03:39 |
| Wbemprox.dll | 10.0.19041.621 | 37,176 | 15-Oct-2020 | 03:39 |
| Wmiutils.dll | 10.0.19041.621 | 97,608 | 15-Oct-2020 | 03:40 |
| Shtransform.dll | 10.0.19041.621 | 33,080 | 15-Oct-2020 | 07:55 |
| Bfsvc.dll | 10.0.19041.621 | 192,328 | 15-Oct-2020 | 03:39 |
| Fveupdateai.dll | 10.0.19041.621 | 34,616 | 15-Oct-2020 | 03:39 |
| Securebootai.dll | 10.0.19041.621 | 29,000 | 15-Oct-2020 | 03:39 |
| Bcdeditai.dll | 10.0.19041.621 | 172,856 | 15-Oct-2020 | 03:49 |
| Configureieoptionalcomponentsai.dll | 10.0.19041.621 | 45,368 | 15-Oct-2020 | 07:59 |
| Featuresettingsoverride.dll | 10.0.19041.621 | 34,120 | 15-Oct-2020 | 07:59 |
| Iefileinstallai.dll | 10.0.19041.621 | 32,568 | 15-Oct-2020 | 07:58 |
| Msdtcadvancedinstaller.dll | 10.0.19041.621 | 52,536 | 15-Oct-2020 | 07:59 |
| Netfxconfig.dll | 10.0.19041.621 | 25,912 | 15-Oct-2020 | 03:39 |
| Peerdistai.dll | 10.0.19041.621 | 32,056 | 15-Oct-2020 | 07:58 |
| Printadvancedinstaller.dll | 10.0.19041.621 | 90,936 | 15-Oct-2020 | 07:59 |
| Servicemodelregai.dll | 10.0.19041.621 | 72,520 | 15-Oct-2020 | 07:59 |
| Setieinstalleddateai.dll | 10.0.19041.621 | 22,328 | 15-Oct-2020 | 07:59 |
| Primitivetransformers.dll | 10.0.19041.621 | 47,928 | 15-Oct-2020 | 03:35 |
| Sppinst.dll | 10.0.19041.621 | 36,168 | 15-Oct-2020 | 03:39 |
| Grouptrusteeai.dll | 10.0.19041.621 | 38,712 | 15-Oct-2020 | 03:39 |
| Aritransformer.dll | 10.0.19041.621 | 47,944 | 15-Oct-2020 | 03:39 |
| Wpndatatransformer.dll | 10.0.19041.621 | 30,536 | 15-Oct-2020 | 03:39 |
| Appserverai.dll | 10.0.19041.621 | 104,248 | 15-Oct-2020 | 07:56 |
| Rdwebai.dll | 10.0.19041.621 | 105,784 | 15-Oct-2020 | 07:56 |
| Tssdisai.dll | 10.0.19041.621 | 107,832 | 15-Oct-2020 | 07:56 |
| Vmhostai.dll | 10.0.19041.621 | 84,280 | 15-Oct-2020 | 07:55 |
| Iissetupai.dll | 10.0.19041.621 | 99,640 | 15-Oct-2020 | 03:39 |
| Cleanupai.dll | 10.0.19041.621 | 20,808 | 15-Oct-2020 | 03:39 |
| Cbscore.dll | 10.0.19041.621 | 2,169,656 | 15-Oct-2020 | 03:35 |
| Cbsmsg.dll | 10.0.19041.621 | 52,040 | 15-Oct-2020 | 03:35 |
| Cmiadapter.dll | 10.0.19041.621 | 68,408 | 15-Oct-2020 | 03:35 |
| Cmiaisupport.dll | 10.0.19041.621 | 1,653,560 | 15-Oct-2020 | 03:35 |
| Dpx.dll | 10.0.19041.621 | 554,808 | 15-Oct-2020 | 03:35 |
| Drupdate.dll | 10.0.19041.621 | 310,584 | 15-Oct-2020 | 03:35 |
| Drvstore.dll | 10.0.19041.621 | 1,003,320 | 15-Oct-2020 | 03:35 |
| Globalinstallorder.xml | Not applicable | 1,247,506 | 15-Jul-2020 | 02:49 |
| Msdelta.dll | 5.0.1.1 | 427,320 | 15-Oct-2020 | 03:35 |
| Mspatcha.dll | 5.0.1.1 | 44,344 | 15-Oct-2020 | 03:35 |
| Poqexec.exe | 10.0.19041.621 | 391,168 | 15-Oct-2020 | 03:14 |
| Reservemanager.dll | 10.0.19041.621 | 205,624 | 15-Oct-2020 | 03:35 |
| Smiengine.dll | 10.0.19041.621 | 701,752 | 15-Oct-2020 | 03:35 |
| Smipi.dll | 10.0.19041.621 | 31,544 | 15-Oct-2020 | 03:35 |
| Tifilefetcher.exe | 10.0.19041.621 | 368,952 | 15-Oct-2020 | 03:35 |
| Tiworker.exe | 10.0.19041.621 | 226,104 | 15-Oct-2020 | 03:35 |
| Turbostack.dll | 10.0.19041.621 | 594,744 | 15-Oct-2020 | 03:35 |
| Updateagent.dll | 10.0.19041.621 | 2,115,384 | 15-Oct-2020 | 03:35 |
| Wcmtypes.xsd | Not applicable | 1,047 | 15-Jul-2020 | 02:49 |
| Wcp.dll | 10.0.19041.621 | 3,164,472 | 15-Oct-2020 | 03:35 |
| Wdscore.dll | 10.0.19041.621 | 207,160 | 15-Oct-2020 | 03:35 |
| Wrpint.dll | 10.0.19041.621 | 64,312 | 15-Oct-2020 | 03:35 |
References
For information about SSUs, see the following articles:
- Servicing stack updates
- Servicing Stack Updates (SSU): Frequently Asked Questions
- ADV990001 | Latest Servicing Stack Updates
For more information about Dynamic Updates, see the following articles:
Learn about the terminology that Microsoft uses to describe software updates.