windows-itpro-docs/windows/deployment/update/windows-update-resources.md

---
title: Windows Update - Additional resources
description: In this article, learn details about to troubleshooting WSUS and resetting Windows Update components manually.
ms.prod: w10
ms.mktglfcycl:
audience: itpro
ms.localizationpriority: medium
ms.audience: itpro
ms.date: 09/18/2018
ms.reviewer:
manager: laurawi
ms.topic: article
ms.author: jaimeo
author: jaimeo
---

# Windows Update - additional resources

> Applies to: Windows 10

The following resources provide additional information about using Windows Update.

## WSUS Troubleshooting

[Troubleshooting issues with WSUS client agents](https://support.microsoft.com/help/10132/)

[How to troubleshoot WSUS](https://support.microsoft.com/help/4025764/)

[Error 80244007 when WSUS client scans for updates](https://support.microsoft.com/help/4096317/)

[Updates may not be installed with Fast Startup in Windows 10](https://support.microsoft.com/help/4011287/)

## How do I reset Windows Update components?

[Reset Windows Update Client settings script](https://gallery.technet.microsoft.com/scriptcenter/Reset-WindowsUpdateps1-e0c5eb78) will completely reset the Windows Update client settings. It has been tested on Windows 7, 8, 10, and Windows Server 2012 R2. It will configure the services and registry keys related to Windows Update for default settings. It will also clean up files related to Windows Update, in addition to BITS related data.

[Reset Windows Update Agent script](https://gallery.technet.microsoft.com/scriptcenter/Reset-Windows-Update-Agent-d824badc) allows you to reset the Windows Update Agent, resolving issues with Windows Update.

## Reset Windows Update components manually

1. 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:
   ``` console
   cmd
   ```
2. Stop the BITS service and the Windows Update service. To do this, type the following commands at a command prompt. Press ENTER after you type each command.
   ``` console
   net stop bits
   net stop wuauserv
   ```
3. Delete the qmgr\*.dat files. To do this, type the following command at a command prompt, and then press ENTER:
   ``` console
   Del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat"
   ```
4. 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.
   1. Rename the following folders to *.BAK:
   ``` console
   %systemroot%\SoftwareDistribution\DataStore
   %systemroot%\SoftwareDistribution\Download
   %systemroot%\system32\catroot2
   ```
   To do this, type the following commands at a command prompt. Press ENTER after you type each command.
   ``` console
   Ren %systemroot%\SoftwareDistribution\DataStore *.bak
   Ren %systemroot%\SoftwareDistribution\Download *.bak
   Ren %systemroot%\system32\catroot2 *.bak
   ```
   2. 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.
   ``` console
   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)
   ```
5. Type the following command at a command prompt, and then press ENTER:
   ``` console
   cd /d %windir%\system32
   ```
6. 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.

   ``` console
   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
   ```

7. Reset Winsock. To do this, type the following command at a command prompt, and then press ENTER:
   ``` console
   netsh winsock reset
   ```
8. 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:
   ``` console
   proxycfg.exe -d
   ```
9. Restart the BITS service and the Windows Update service. To do this, type the following commands at a command prompt. Press ENTER after you type each command.
   ``` console
   net start bits

   net start wuauserv
   ```
10. 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:
    ``` console
    bitsadmin.exe /reset /allusers
    ```