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title, description, ms.prod, ms.mktglfcycl, audience, ms.localizationpriority, ms.audience, ms.reviewer, manager, ms.topic, ms.author, author
| title | description | ms.prod | ms.mktglfcycl | audience | ms.localizationpriority | ms.audience | ms.reviewer | manager | ms.topic | ms.author | author |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Windows Update - Additional resources | In this article, learn details about to troubleshooting WSUS and resetting Windows Update components manually. | w10 | itpro | medium | itpro | laurawi | article | jaimeo | jaimeo |
Windows Update - additional resources
Applies to:
- Windows 10
- Windows 11
- Windows Server 2016
- Windows Server 2019
Note
Windows Server 2016 supports policies available in Windows 10, version 1607. Windows Server 2019 supports policies available in Windows 10, version 1809.
The following resources provide additional information about using Windows Update.
WSUS Troubleshooting
Troubleshooting issues with WSUS client agents
Error 80244007 when WSUS client scans for updates
Updates may not be installed with Fast Startup in Windows 10
How do I reset Windows Update components?
- Try using the Windows Update Troubleshooter, which will analyze the situation and reset any components that need it.
- Try the steps in Troubleshoot problems updating Windows 10.
- Try the steps in Fix Windows Update errors.
If all else fails, try resetting the Windows Update Agent by running these commands from an elevated command prompt:
net stop wuauserv
rd /s /q %systemroot%\SoftwareDistribution
net start wuauserv
Reset Windows Update components manually
-
Open a Windows command prompt. To open a command prompt, click Start > Run. Copy and paste (or type) the following command and then press ENTER:
cmd -
Stop the BITS service, the Windows Update service and the Cryptographic service. To do this, type the following commands at a command prompt. Press ENTER after you type each command.
net stop bits net stop wuauserv net stop cryptsvc -
Delete the qmgr*.dat files. To do this, type the following command at a command prompt, and then press ENTER:
Del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat" -
If this is your first attempt at resolving your Windows Update issues by using the steps in this article, go to step 5 without carrying out the steps in step 4. The steps in step 4 should only be performed at this point in the troubleshooting if you cannot resolve your Windows Update issues after following all steps but step 4. The steps in step 4 are also performed by the "Aggressive" mode of the Fix it Solution above.
- Rename the following folders to *.BAK:
%Systemroot%\SoftwareDistribution\DataStore %Systemroot%\SoftwareDistribution\Download %Systemroot%\System32\catroot2To do this, type the following commands at a command prompt. Press ENTER after you type each command.
Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak Ren %Systemroot%\SoftwareDistribution\Download Download.bak Ren %Systemroot%\System32\catroot2 catroot2.bak- Reset the BITS service and the Windows Update service to the default security descriptor. To do this, type the following commands at a command prompt. Press ENTER after you type each command.
sc.exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU) sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU) -
Type the following command at a command prompt, and then press ENTER:
cd /d %windir%\system32 -
Reregister the BITS files and the Windows Update files. To do this, type the following commands at a command prompt. Press ENTER after you type each command.
regsvr32.exe atl.dll regsvr32.exe urlmon.dll regsvr32.exe mshtml.dll regsvr32.exe shdocvw.dll regsvr32.exe browseui.dll regsvr32.exe jscript.dll regsvr32.exe vbscript.dll regsvr32.exe scrrun.dll regsvr32.exe msxml.dll regsvr32.exe msxml3.dll regsvr32.exe msxml6.dll regsvr32.exe actxprxy.dll regsvr32.exe softpub.dll regsvr32.exe wintrust.dll regsvr32.exe dssenh.dll regsvr32.exe rsaenh.dll regsvr32.exe gpkcsp.dll regsvr32.exe sccbase.dll regsvr32.exe slbcsp.dll regsvr32.exe cryptdlg.dll regsvr32.exe oleaut32.dll regsvr32.exe ole32.dll regsvr32.exe shell32.dll regsvr32.exe initpki.dll regsvr32.exe wuapi.dll regsvr32.exe wuaueng.dll regsvr32.exe wuaueng1.dll regsvr32.exe wucltui.dll regsvr32.exe wups.dll regsvr32.exe wups2.dll regsvr32.exe wuweb.dll regsvr32.exe qmgr.dll regsvr32.exe qmgrprxy.dll regsvr32.exe wucltux.dll regsvr32.exe muweb.dll regsvr32.exe wuwebv.dll -
Reset Winsock. To do this, type the following command at a command prompt, and then press ENTER:
netsh winsock reset -
If you are running Windows XP or Windows Server 2003, you have to set the proxy settings. To do this, type the following command at a command prompt, and then press ENTER:
proxycfg.exe -d -
Restart the BITS service, the Windows Update service and the Cryptographic service. To do this, type the following commands at a command prompt. Press ENTER after you type each command.
net start bits net start wuauserv net start cryptsvc -
If you are running Windows Vista or Windows Server 2008, clear the BITS queue. To do this, type the following command at a command prompt, and then press ENTER:
bitsadmin.exe /reset /allusers