KB5055661: Servicing stack update for Windows 10, version 1607 and Server 2016: April 8, 2025

应用对象
Win 10 Ent LTSB 2016 Win 10 IoT Ent LTSB 2016 Windows Server 2016

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
Available 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 KB5054006.

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 10.0.14393.7960 11-Mar-25 6:18 52,728
appxreg.dll 10.0.14393.7960 11-Mar-25 6:18 37,880
appxprovisionpackage.dll 10.0.14393.7960 11-Mar-25 6:18 78,840
EventsInstaller.dll 10.0.14393.7960 11-Mar-25 6:18 178,184
CntrtextInstaller.dll 10.0.14393.7960 11-Mar-25 6:18 141,296
grouptrusteeai.dll 10.0.14393.7960 11-Mar-25 6:18 39,904
sppinst.dll 10.0.14393.7960 11-Mar-25 6:18 38,384
timezoneai.dll 10.0.14393.7960 11-Mar-25 6:18 60,936
httpai.dll 10.0.14393.7960 11-Mar-25 6:18 29,168
cmifw.dll 10.0.14393.7960 11-Mar-25 6:18 91,616
FirewallOfflineAPI.dll 10.0.14393.7960 11-Mar-25 6:18 162,784
NetSetupAI.dll 10.0.14393.7960 11-Mar-25 6:18 105,440
NetSetupApi.dll 10.0.14393.7960 11-Mar-25 6:18 113,144
NetSetupEngine.dll 10.0.14393.7960 11-Mar-25 6:18 607,736
ImplatSetup.dll 10.0.14393.7960 11-Mar-25 6:18 102,392
winsockai.dll 10.0.14393.7960 11-Mar-25 6:18 74,760
ws2_helper.dll 10.0.14393.7960 11-Mar-25 6:18 79,864
wmicmiplugin.dll 10.0.14393.7960 11-Mar-25 6:18 274,416
offlinelsa.dll 10.0.14393.7960 11-Mar-25 6:18 112,120
offlinesam.dll 10.0.14393.7960 11-Mar-25 6:18 235,528
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 9:39 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 9:36 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 6:17 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 9:34 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 9:40 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 9:35 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 9:37 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 9:41 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 9:38 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 8:01 3,072
mofinstall.dll 10.0.14393.7960 11-Mar-25 6:18 73,712
esscli.dll 10.0.14393.7960 11-Mar-25 6:18 301,016
mofd.dll 10.0.14393.7960 11-Mar-25 6:18 208,888
repdrvfs.dll 10.0.14393.7960 11-Mar-25 6:18 283,616
fastprox.dll 10.0.14393.7960 11-Mar-25 6:18 671,240
wbemcomn.dll 10.0.14393.7960 11-Mar-25 6:18 389,640
wbemcore.dll 10.0.14393.7960 11-Mar-25 6:18 985,608
wmiutils.dll 10.0.14393.7960 11-Mar-25 6:18 99,832
wbemprox.dll 10.0.14393.7960 11-Mar-25 6:18 37,872
shtransform.dll 10.0.14393.7960 11-Mar-25 6:19 34,272
bfsvc.dll 10.0.14393.7960 11-Mar-25 6:18 178,144
securebootai.dll 10.0.14393.7960 11-Mar-25 6:18 236,024
fveupdateai.dll 10.0.14393.7960 11-Mar-25 6:18 29,192
cmitrust.dll 10.0.14393.7960 11-Mar-25 6:17 277,000
peerdistai.dll 10.0.14393.7960 11-Mar-25 6:17 33,800
PrintAdvancedInstaller.dll 10.0.14393.7960 11-Mar-25 6:17 94,728
msdtcadvancedinstaller.dll 10.0.14393.7960 11-Mar-25 6:17 56,328
netfxconfig.dll 10.0.14393.7960 11-Mar-25 6:17 28,680
ConfigureIEOptionalComponentsAI.dll 10.0.14393.7960 11-Mar-25 6:17 48,120
IEFileInstallAI.dll 10.0.14393.7960 11-Mar-25 6:17 36,856
servicemodelregai.dll 10.0.14393.7960 11-Mar-25 6:17 74,232
SetIEInstalledDateAI.dll 10.0.14393.7960 11-Mar-25 6:17 24,072
bcdeditai.dll 10.0.14393.7960 11-Mar-25 6:17 273,400
FeatureSettingsOverride.dll 10.0.14393.7960 11-Mar-25 6:17 35,824
SupplementalServicingAI.dll 10.0.14393.7960 11-Mar-25 6:17 17,920
PrimitiveTransformers.dll 10.0.14393.7960 11-Mar-25 6:17 52,728
AriTransformer.dll 10.0.14393.7960 11-Mar-25 6:18 51,168
WpnDataTransformer.dll 10.0.14393.7960 11-Mar-25 6:18 31,712
mqcmiplugin.dll 5.0.1.1 11-Mar-25 6:18 132,080
wdscore.dll 10.0.14393.7960 11-Mar-25 6:17 221,176
drvstore.dll 10.0.14393.7960 11-Mar-25 6:17 751,600
dpx.dll 5.0.1.1 11-Mar-25 6:17 382,432
msdelta.dll 5.0.1.1 11-Mar-25 6:17 408,056
mspatcha.dll 5.0.1.1 11-Mar-25 6:17 46,088
cmiaisupport.dll 10.0.14393.7960 11-Mar-25 6:17 1,915,376
WcmTypes.xsd Not versioned 11-Mar-25 6:17 1,047
CbsMsg.dll 10.0.14393.7960 11-Mar-25 6:17 50,680
CbsCore.dll 10.0.14393.7960 11-Mar-25 6:17 1,791,992
TiWorker.exe 10.0.14393.7960 11-Mar-25 6:17 197,120
TiFileFetcher.exe 10.0.14393.7960 11-Mar-25 6:17 247,792
drupdate.dll 10.0.14393.7960 11-Mar-25 6:17 287,224
wcp.dll 10.0.14393.7960 11-Mar-25 6:17 2,738,672
cmiadapter.dll 10.0.14393.7960 11-Mar-25 6:17 74,248
smiengine.dll 10.0.14393.7960 11-Mar-25 6:17 748,528
smipi.dll 10.0.14393.7960 11-Mar-25 6:17 33,272
poqexec.exe 10.0.14393.7960 11-Mar-25 6:17 120,320
x86_installed Not versioned 11-Mar-25 6:17 9
GlobalInstallOrder.xml Not versioned 11-Mar-25 6:17 1,247,706
wrpint.dll 10.0.14393.7960 11-Mar-25 6:17 68,088
iissetupai.dll 10.0.14393.7960 11-Mar-25 6:18 99,832
cleanupai.dll 10.0.14393.7960 11-Mar-25 6:18 23,048
For all supported x64-based versions
File name File version Date Time File size
luainstall.dll 10.0.14393.7960 11-Mar-25 10:29 61,448
appxreg.dll 10.0.14393.7960 11-Mar-25 10:29 44,024
appxprovisionpackage.dll 10.0.14393.7960 11-Mar-25 10:29 88,032
EventsInstaller.dll 10.0.14393.7960 11-Mar-25 10:29 223,728
CntrtextInstaller.dll 10.0.14393.7960 11-Mar-25 10:29 164,344
grouptrusteeai.dll 10.0.14393.7960 11-Mar-25 10:29 45,024
sppinst.dll 10.0.14393.7960 11-Mar-25 10:29 43,528
timezoneai.dll 10.0.14393.7960 11-Mar-25 10:29 71,688
httpai.dll 10.0.14393.7960 11-Mar-25 10:29 32,264
cmifw.dll 10.0.14393.7960 11-Mar-25 10:29 102,920
FirewallOfflineAPI.dll 10.0.14393.7960 11-Mar-25 10:29 185,864
NetSetupAI.dll 10.0.14393.7960 11-Mar-25 10:29 133,640
NetSetupApi.dll 10.0.14393.7960 11-Mar-25 10:29 150,016
NetSetupEngine.dll 10.0.14393.7960 11-Mar-25 10:29 859,640
ImplatSetup.dll 10.0.14393.7960 11-Mar-25 10:29 137,184
winsockai.dll 10.0.14393.7960 11-Mar-25 10:29 83,448
ws2_helper.dll 10.0.14393.7960 11-Mar-25 10:29 95,752
wmicmiplugin.dll 10.0.14393.7960 11-Mar-25 10:29 395,768
offlinelsa.dll 10.0.14393.7960 11-Mar-25 10:29 124,384
offlinesam.dll 10.0.14393.7960 11-Mar-25 10:29 262,112
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 14:17 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 14:15 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 10:26 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 14:08 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 14:18 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 14:16 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 14:11 3,072
poqexec.exe.mui 10.0.14393.7960 11-Mar-25 12:48 3,072
mofinstall.dll 10.0.14393.7960 11-Mar-25 10:29 74,760
esscli.dll 10.0.14393.7960 11-Mar-25 10:29 398,856
mofd.dll 10.0.14393.7960 11-Mar-25 10:29 247,280
repdrvfs.dll 10.0.14393.7960 11-Mar-25 10:29 353,784
fastprox.dll 10.0.14393.7960 11-Mar-25 10:29 856,560
wbemcomn.dll 10.0.14393.7960 11-Mar-25 10:29 453,112
wbemcore.dll 10.0.14393.7960 11-Mar-25 10:29 1,230,816
wmiutils.dll 10.0.14393.7960 11-Mar-25 10:29 120,328
wbemprox.dll 10.0.14393.7960 11-Mar-25 10:29 44,024
shtransform.dll 10.0.14393.7960 11-Mar-25 10:31 39,904
bfsvc.dll 10.0.14393.7960 11-Mar-25 10:29 206,328
securebootai.dll 10.0.14393.7960 11-Mar-25 10:29 274,424
fveupdateai.dll 10.0.14393.7960 11-Mar-25 10:29 33,784
cmitrust.dll 10.0.14393.7960 11-Mar-25 10:26 401,400
peerdistai.dll 10.0.14393.7960 11-Mar-25 10:26 39,432
PrintAdvancedInstaller.dll 10.0.14393.7960 11-Mar-25 10:26 103,944
msdtcadvancedinstaller.dll 10.0.14393.7960 11-Mar-25 10:26 66,040
netfxconfig.dll 10.0.14393.7960 11-Mar-25 10:26 31,752
ConfigureIEOptionalComponentsAI.dll 10.0.14393.7960 11-Mar-25 10:26 54,792
IEFileInstallAI.dll 10.0.14393.7960 11-Mar-25 10:26 38,384
servicemodelregai.dll 10.0.14393.7960 11-Mar-25 10:26 89,584
SetIEInstalledDateAI.dll 10.0.14393.7960 11-Mar-25 10:26 25,608
bcdeditai.dll 10.0.14393.7960 11-Mar-25 10:26 297,480
FeatureSettingsOverride.dll 10.0.14393.7960 11-Mar-25 10:26 41,456
SupplementalServicingAI.dll 10.0.14393.7960 11-Mar-25 10:26 18,432
PrimitiveTransformers.dll 10.0.14393.7960 11-Mar-25 10:26 67,056
AriTransformer.dll 10.0.14393.7960 11-Mar-25 10:29 57,840
WpnDataTransformer.dll 10.0.14393.7960 11-Mar-25 10:29 38,368
mqcmiplugin.dll 5.0.1.1 11-Mar-25 10:27 155,616
appserverai.dll 10.0.14393.7960 11-Mar-25 10:31 115,208
RDWebAI.dll 10.0.14393.7960 11-Mar-25 10:31 120,840
tssdisai.dll 10.0.14393.7960 11-Mar-25 10:31 122,848
VmHostAI.dll 10.0.14393.7960 11-Mar-25 10:31 101,360
wdscore.dll 10.0.14393.7960 11-Mar-25 10:26 268,272
drvstore.dll 10.0.14393.7960 11-Mar-25 10:26 909,832
dpx.dll 5.0.1.1 11-Mar-25 10:26 508,920
msdelta.dll 5.0.1.1 11-Mar-25 10:26 516,104
mspatcha.dll 5.0.1.1 11-Mar-25 10:26 55,288
cmiaisupport.dll 10.0.14393.7960 11-Mar-25 10:26 2,925,064
WcmTypes.xsd Not versioned 11-Mar-25 10:26 1,047
CbsMsg.dll 10.0.14393.7960 11-Mar-25 10:26 51,704
CbsCore.dll 10.0.14393.7960 11-Mar-25 10:26 2,042,352
TiWorker.exe 10.0.14393.7960 11-Mar-25 10:26 199,680
TiFileFetcher.exe 10.0.14393.7960 11-Mar-25 10:26 290,312
drupdate.dll 10.0.14393.7960 11-Mar-25 10:26 337,400
wcp.dll 10.0.14393.7960 11-Mar-25 10:26 3,202,528
cmiadapter.dll 10.0.14393.7960 11-Mar-25 10:26 86,024
smiengine.dll 10.0.14393.7960 11-Mar-25 10:26 865,784
smipi.dll 10.0.14393.7960 11-Mar-25 10:26 37,896
poqexec.exe 10.0.14393.7960 11-Mar-25 10:26 142,848
amd64_installed Not versioned 11-Mar-25 10:26 9
GlobalInstallOrder.xml Not versioned 11-Mar-25 10:26 1,247,706
wrpint.dll 10.0.14393.7960 11-Mar-25 10:26 77,808
iissetupai.dll 10.0.14393.7960 11-Mar-25 10:27 123,888
cleanupai.dll 10.0.14393.7960 11-Mar-25 10:29 25,080
luainstall.dll 10.0.14393.7960 11-Mar-25 10:29 52,728
appxreg.dll 10.0.14393.7960 11-Mar-25 10:29 37,880
appxprovisionpackage.dll 10.0.14393.7960 11-Mar-25 10:29 78,840
EventsInstaller.dll 10.0.14393.7960 11-Mar-25 10:29 178,184
CntrtextInstaller.dll 10.0.14393.7960 11-Mar-25 10:29 141,296
grouptrusteeai.dll 10.0.14393.7960 11-Mar-25 10:29 39,904
sppinst.dll 10.0.14393.7960 11-Mar-25 10:29 38,384
timezoneai.dll 10.0.14393.7960 11-Mar-25 10:29 60,936
httpai.dll 10.0.14393.7960 11-Mar-25 10:29 29,168
cmifw.dll 10.0.14393.7960 11-Mar-25 10:29 91,616
FirewallOfflineAPI.dll 10.0.14393.7960 11-Mar-25 10:29 162,784
NetSetupAI.dll 10.0.14393.7960 11-Mar-25 10:29 105,440
NetSetupApi.dll 10.0.14393.7960 11-Mar-25 10:29 113,144
NetSetupEngine.dll 10.0.14393.7960 11-Mar-25 10:29 607,736
ImplatSetup.dll 10.0.14393.7960 11-Mar-25 10:29 102,392
winsockai.dll 10.0.14393.7960 11-Mar-25 10:29 74,760
ws2_helper.dll 10.0.14393.7960 11-Mar-25 10:29 79,864
wmicmiplugin.dll 10.0.14393.7960 11-Mar-25 10:29 274,416
mofinstall.dll 10.0.14393.7960 11-Mar-25 10:29 73,712
esscli.dll 10.0.14393.7960 11-Mar-25 10:29 301,016
mofd.dll 10.0.14393.7960 11-Mar-25 10:29 208,888
repdrvfs.dll 10.0.14393.7960 11-Mar-25 10:29 283,616
fastprox.dll 10.0.14393.7960 11-Mar-25 10:29 671,240
wbemcomn.dll 10.0.14393.7960 11-Mar-25 10:29 389,640
wbemcore.dll 10.0.14393.7960 11-Mar-25 10:29 985,608
wmiutils.dll 10.0.14393.7960 11-Mar-25 10:29 99,832
wbemprox.dll 10.0.14393.7960 11-Mar-25 10:29 37,872
shtransform.dll 10.0.14393.7960 11-Mar-25 10:31 34,272
bfsvc.dll 10.0.14393.7960 11-Mar-25 10:29 178,144
securebootai.dll 10.0.14393.7960 11-Mar-25 10:29 236,024
fveupdateai.dll 10.0.14393.7960 11-Mar-25 10:29 29,192
cmitrust.dll 10.0.14393.7960 11-Mar-25 10:27 277,000
peerdistai.dll 10.0.14393.7960 11-Mar-25 10:27 33,800
PrintAdvancedInstaller.dll 10.0.14393.7960 11-Mar-25 10:27 94,728
msdtcadvancedinstaller.dll 10.0.14393.7960 11-Mar-25 10:27 56,328
netfxconfig.dll 10.0.14393.7960 11-Mar-25 10:27 28,680
ConfigureIEOptionalComponentsAI.dll 10.0.14393.7960 11-Mar-25 10:27 48,120
IEFileInstallAI.dll 10.0.14393.7960 11-Mar-25 10:27 36,856
servicemodelregai.dll 10.0.14393.7960 11-Mar-25 10:27 74,232
SetIEInstalledDateAI.dll 10.0.14393.7960 11-Mar-25 10:27 24,072
bcdeditai.dll 10.0.14393.7960 11-Mar-25 10:27 273,400
FeatureSettingsOverride.dll 10.0.14393.7960 11-Mar-25 10:27 35,824
SupplementalServicingAI.dll 10.0.14393.7960 11-Mar-25 10:27 17,920
PrimitiveTransformers.dll 10.0.14393.7960 11-Mar-25 10:27 52,728
AriTransformer.dll 10.0.14393.7960 11-Mar-25 10:29 51,168
WpnDataTransformer.dll 10.0.14393.7960 11-Mar-25 10:29 31,712
appserverai.dll 10.0.14393.7960 11-Mar-25 10:31 94,712
RDWebAI.dll 10.0.14393.7960 11-Mar-25 10:31 104,944
tssdisai.dll 10.0.14393.7960 11-Mar-25 10:31 103,432
VmHostAI.dll 10.0.14393.7960 11-Mar-25 10:31 84,488
wdscore.dll 10.0.14393.7960 11-Mar-25 10:27 221,176
drvstore.dll 10.0.14393.7960 11-Mar-25 10:27 751,600
dpx.dll 5.0.1.1 11-Mar-25 10:27 382,432
msdelta.dll 5.0.1.1 11-Mar-25 10:27 408,056
mspatcha.dll 5.0.1.1 11-Mar-25 10:27 46,088
cmiaisupport.dll 10.0.14393.7960 11-Mar-25 10:27 1,915,376
WcmTypes.xsd Not versioned 11-Mar-25 10:27 1,047
CbsMsg.dll 10.0.14393.7960 11-Mar-25 10:27 50,680
CbsCore.dll 10.0.14393.7960 11-Mar-25 10:27 1,791,992
TiWorker.exe 10.0.14393.7960 11-Mar-25 10:27 197,120
TiFileFetcher.exe 10.0.14393.7960 11-Mar-25 10:27 247,792
drupdate.dll 10.0.14393.7960 11-Mar-25 10:27 287,224
wcp.dll 10.0.14393.7960 11-Mar-25 10:27 2,738,672
cmiadapter.dll 10.0.14393.7960 11-Mar-25 10:27 74,248
smiengine.dll 10.0.14393.7960 11-Mar-25 10:27 748,528
smipi.dll 10.0.14393.7960 11-Mar-25 10:27 33,272
poqexec.exe 10.0.14393.7960 11-Mar-25 10:27 120,320
x86_installed Not versioned 11-Mar-25 10:27 9
GlobalInstallOrder.xml Not versioned 11-Mar-25 10:27 1,247,706
wrpint.dll 10.0.14393.7960 11-Mar-25 10:27 68,088
cleanupai.dll 10.0.14393.7960 11-Mar-25 10:29 23,048

References

Servicing stack updates

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