Note
- Support for Windows 10 has ended on October 14, 2025
- After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11.
- Learn more
Summary
This servicing stack update (SSU) makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates make sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.
Important Not installing the latest SSU before applying Windows updates might result in the Windows update not being offered until the latest SSU is installed.
How to get this update
Install this update
To install this update, use one of the following release channels.
| Available | Next step |
|---|---|
|
This update is available through Windows Update. It will be downloaded and installed automatically. |
| Prerequisites | There are no prerequisites to apply this update. |
|---|---|
| Restart information | You don't have to restart your computer 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 | This update replaces the previously released update KB5055661. |
File Information
The English (United States) version of this software update installs files that have the following attributes. This update might contain files for additional languages.
For all supported x86-based versions
| File name | File version | Date | Time | File size |
|---|---|---|---|---|
| luainstall.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 52,744 |
| appxreg.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 37,880 |
| appxprovisionpackage.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 78,856 |
| EventsInstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 178,168 |
| CntrtextInstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 141,304 |
| grouptrusteeai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 39,928 |
| sppinst.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 38,408 |
| timezoneai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 60,920 |
| httpai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 29,192 |
| cmifw.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 91,656 |
| FirewallOfflineAPI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 162,824 |
| NetSetupAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 105,480 |
| NetSetupApi.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 113,160 |
| NetSetupEngine.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 607,752 |
| ImplatSetup.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 102,392 |
| winsockai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 74,744 |
| ws2_helper.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 79,880 |
| wmicmiplugin.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 274,440 |
| offlinelsa.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 112,096 |
| offlinesam.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 235,488 |
| poqexec.exe.mui | 10.0.14393.8065 | 9-May-25 | 1:23 | 3,072 |
| mofinstall.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 73,720 |
| esscli.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 301,048 |
| mofd.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 208,864 |
| repdrvfs.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 283,616 |
| fastprox.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 671,200 |
| wbemcomn.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 389,616 |
| wbemcore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 985,568 |
| wmiutils.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 99,808 |
| wbemprox.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 37,856 |
| shtransform.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 34,288 |
| bfsvc.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 178,184 |
| securebootai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 249,352 |
| fveupdateai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 29,176 |
| cmitrust.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 276,984 |
| peerdistai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 33,800 |
| PrintAdvancedInstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 94,728 |
| msdtcadvancedinstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 56,312 |
| netfxconfig.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 28,680 |
| ConfigureIEOptionalComponentsAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 48,136 |
| IEFileInstallAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 36,872 |
| servicemodelregai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 74,248 |
| SetIEInstalledDateAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 24,072 |
| bcdeditai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 273,416 |
| FeatureSettingsOverride.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 35,848 |
| SupplementalServicingAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 17,920 |
| PrimitiveTransformers.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 52,720 |
| AriTransformer.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 51,168 |
| WpnDataTransformer.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 31,728 |
| mqcmiplugin.dll | 5.0.1.1 | 9-May-25 | 1:18 | 132,104 |
| wdscore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 221,192 |
| drvstore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 751,624 |
| dpx.dll | 5.0.1.1 | 9-May-25 | 1:18 | 382,456 |
| msdelta.dll | 5.0.1.1 | 9-May-25 | 1:18 | 408,072 |
| mspatcha.dll | 5.0.1.1 | 9-May-25 | 1:18 | 46,088 |
| cmiaisupport.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 1,915,384 |
| WcmTypes.xsd | Not versioned | 9-May-25 | 1:18 | 1,047 |
| CbsMsg.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 50,696 |
| CbsCore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 1,791,992 |
| TiWorker.exe | 10.0.14393.8065 | 9-May-25 | 1:18 | 197,120 |
| TiFileFetcher.exe | 10.0.14393.8065 | 9-May-25 | 1:18 | 247,816 |
| drupdate.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 287,240 |
| wcp.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 2,738,680 |
| cmiadapter.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 74,232 |
| smiengine.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 748,552 |
| smipi.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 33,288 |
| poqexec.exe | 10.0.14393.8065 | 9-May-25 | 1:18 | 120,320 |
| x86_installed | Not versioned | 9-May-25 | 1:18 | 9 |
| GlobalInstallOrder.xml | Not versioned | 9-May-25 | 1:18 | 1,247,706 |
| wrpint.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 68,088 |
| iissetupai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 99,832 |
| cleanupai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 23,048 |
For all supported x64-based versions
| File name | File version | Date | Time | File size |
|---|---|---|---|---|
| luainstall.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 61,408 |
| appxreg.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 44,024 |
| appxprovisionpackage.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 88,048 |
| EventsInstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 223,736 |
| CntrtextInstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 164,320 |
| grouptrusteeai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 45,048 |
| sppinst.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 43,504 |
| timezoneai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 71,672 |
| httpai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 32,264 |
| cmifw.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 102,896 |
| FirewallOfflineAPI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 185,864 |
| NetSetupAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 133,600 |
| NetSetupApi.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 150,024 |
| NetSetupEngine.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 859,640 |
| ImplatSetup.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 137,224 |
| winsockai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 83,440 |
| ws2_helper.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 95,728 |
| wmicmiplugin.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 395,760 |
| offlinelsa.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 124,400 |
| offlinesam.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 262,128 |
| poqexec.exe.mui | 10.0.14393.8065 | 9-May-25 | 1:24 | 3,072 |
| mofinstall.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 74,736 |
| esscli.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 398,816 |
| mofd.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 247,264 |
| repdrvfs.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 353,776 |
| fastprox.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 856,584 |
| wbemcomn.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 453,088 |
| wbemcore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 1,230,832 |
| wmiutils.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 120,304 |
| wbemprox.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 44,000 |
| shtransform.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 39,920 |
| bfsvc.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 206,344 |
| securebootai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 291,848 |
| fveupdateai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 33,800 |
| cmitrust.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 401,376 |
| peerdistai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 39,416 |
| PrintAdvancedInstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 103,928 |
| msdtcadvancedinstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 66,056 |
| netfxconfig.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 31,752 |
| ConfigureIEOptionalComponentsAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 54,752 |
| IEFileInstallAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 38,408 |
| servicemodelregai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 89,592 |
| SetIEInstalledDateAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 25,592 |
| bcdeditai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 297,456 |
| FeatureSettingsOverride.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 41,480 |
| SupplementalServicingAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 18,432 |
| PrimitiveTransformers.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 67,056 |
| AriTransformer.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 57,840 |
| WpnDataTransformer.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 38,384 |
| mqcmiplugin.dll | 5.0.1.1 | 9-May-25 | 1:18 | 155,632 |
| appserverai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 115,168 |
| RDWebAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 120,800 |
| tssdisai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 122,840 |
| VmHostAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 101,360 |
| wdscore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 268,296 |
| drvstore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 909,816 |
| dpx.dll | 5.0.1.1 | 9-May-25 | 1:18 | 508,912 |
| msdelta.dll | 5.0.1.1 | 9-May-25 | 1:18 | 516,088 |
| mspatcha.dll | 5.0.1.1 | 9-May-25 | 1:18 | 55,304 |
| cmiaisupport.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 2,925,048 |
| WcmTypes.xsd | Not versioned | 9-May-25 | 1:18 | 1,047 |
| CbsMsg.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 51,680 |
| CbsCore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 2,042,360 |
| TiWorker.exe | 10.0.14393.8065 | 9-May-25 | 1:18 | 199,680 |
| TiFileFetcher.exe | 10.0.14393.8065 | 9-May-25 | 1:18 | 290,312 |
| drupdate.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 337,400 |
| wcp.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 3,202,568 |
| cmiadapter.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 86,008 |
| smiengine.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 865,784 |
| smipi.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 37,872 |
| poqexec.exe | 10.0.14393.8065 | 9-May-25 | 1:18 | 142,848 |
| amd64_installed | Not versioned | 9-May-25 | 1:18 | 9 |
| GlobalInstallOrder.xml | Not versioned | 9-May-25 | 1:18 | 1,247,706 |
| wrpint.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 77,816 |
| iissetupai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 123,872 |
| cleanupai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 25,072 |
| luainstall.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 52,744 |
| appxreg.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 37,880 |
| appxprovisionpackage.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 78,856 |
| EventsInstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 178,168 |
| CntrtextInstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 141,304 |
| grouptrusteeai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 39,928 |
| sppinst.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 38,408 |
| timezoneai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 60,920 |
| httpai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 29,192 |
| cmifw.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 91,656 |
| FirewallOfflineAPI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 162,824 |
| NetSetupAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 105,480 |
| NetSetupApi.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 113,160 |
| NetSetupEngine.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 607,752 |
| ImplatSetup.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 102,392 |
| winsockai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 74,744 |
| ws2_helper.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 79,880 |
| wmicmiplugin.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 274,440 |
| mofinstall.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 73,720 |
| esscli.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 301,048 |
| mofd.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 208,864 |
| repdrvfs.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 283,616 |
| fastprox.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 671,200 |
| wbemcomn.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 389,616 |
| wbemcore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 985,568 |
| wmiutils.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 99,808 |
| wbemprox.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 37,856 |
| shtransform.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 34,288 |
| bfsvc.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 178,184 |
| securebootai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 249,352 |
| fveupdateai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 29,176 |
| cmitrust.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 276,984 |
| peerdistai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 33,800 |
| PrintAdvancedInstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 94,728 |
| msdtcadvancedinstaller.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 56,312 |
| netfxconfig.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 28,680 |
| ConfigureIEOptionalComponentsAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 48,136 |
| IEFileInstallAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 36,872 |
| servicemodelregai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 74,248 |
| SetIEInstalledDateAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 24,072 |
| bcdeditai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 273,416 |
| FeatureSettingsOverride.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 35,848 |
| SupplementalServicingAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 17,920 |
| PrimitiveTransformers.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 52,720 |
| AriTransformer.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 51,168 |
| WpnDataTransformer.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 31,728 |
| appserverai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 94,704 |
| RDWebAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 104,928 |
| tssdisai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 103,416 |
| VmHostAI.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 84,464 |
| wdscore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 221,192 |
| drvstore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 751,624 |
| dpx.dll | 5.0.1.1 | 9-May-25 | 1:18 | 382,456 |
| msdelta.dll | 5.0.1.1 | 9-May-25 | 1:18 | 408,072 |
| mspatcha.dll | 5.0.1.1 | 9-May-25 | 1:18 | 46,088 |
| cmiaisupport.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 1,915,384 |
| CbsMsg.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 50,696 |
| CbsCore.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 1,791,992 |
| TiWorker.exe | 10.0.14393.8065 | 9-May-25 | 1:18 | 197,120 |
| TiFileFetcher.exe | 10.0.14393.8065 | 9-May-25 | 1:18 | 247,816 |
| drupdate.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 287,240 |
| wcp.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 2,738,680 |
| cmiadapter.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 74,232 |
| smiengine.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 748,552 |
| smipi.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 33,288 |
| poqexec.exe | 10.0.14393.8065 | 9-May-25 | 1:18 | 120,320 |
| x86_installed | Not versioned | 9-May-25 | 1:18 | 9 |
| wrpint.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 68,088 |
| cleanupai.dll | 10.0.14393.8065 | 9-May-25 | 1:18 | 23,048 |
References
Servicing Stack Updates (SSU): Frequently Asked Questions
ADV990001 | Latest Servicing Stack Updates
The benefits of Windows 10 Dynamic Update
Updating Windows 10 media with Dynamic Update packages
Description of the standard terminology that is used to describe Microsoft software updates