Windows – PowerShell – Reset Windows Updates

email me

Reset-WindowsUpdate.ps1 - Resets the Windows Update components

This script will reset all of the Windows Updates components to defaults.

Results are printed to the console. Future releases will support outputting to a log file. 


$arch = Get-WMIObject -Class Win32_Processor -ComputerName LocalHost | Select-Object AddressWidth

Write-Host "1. Stopping Windows Update Services..."
Stop-Service -Name BITS
Stop-Service -Name wuauserv
Stop-Service -Name appidsvc
Stop-Service -Name cryptsvc

Write-Host "2. Remove QMGR Data file..."
Remove-Item "$env:allusersprofile\Application Data\Microsoft\Network\Downloader\qmgr*.dat" -ErrorAction SilentlyContinue

Write-Host "3. Renaming the Software Distribution and CatRoot Folder..."
Rename-Item $env:systemroot\SoftwareDistribution SoftwareDistribution.bak -ErrorAction SilentlyContinue
Rename-Item $env:systemroot\System32\Catroot2 catroot2.bak -ErrorAction SilentlyContinue

Write-Host "4. Removing old Windows Update log..."
Remove-Item $env:systemroot\WindowsUpdate.log -ErrorAction SilentlyContinue

Write-Host "5. Resetting the Windows Update Services to defualt settings..."

Set-Location $env:systemroot\system32

Write-Host "6. Registering some DLLs..."
regsvr32.exe /s atl.dll
regsvr32.exe /s urlmon.dll
regsvr32.exe /s mshtml.dll
regsvr32.exe /s shdocvw.dll
regsvr32.exe /s browseui.dll
regsvr32.exe /s jscript.dll
regsvr32.exe /s vbscript.dll
regsvr32.exe /s scrrun.dll
regsvr32.exe /s msxml.dll
regsvr32.exe /s msxml3.dll
regsvr32.exe /s msxml6.dll
regsvr32.exe /s actxprxy.dll
regsvr32.exe /s softpub.dll
regsvr32.exe /s wintrust.dll
regsvr32.exe /s dssenh.dll
regsvr32.exe /s rsaenh.dll
regsvr32.exe /s gpkcsp.dll
regsvr32.exe /s sccbase.dll
regsvr32.exe /s slbcsp.dll
regsvr32.exe /s cryptdlg.dll
regsvr32.exe /s oleaut32.dll
regsvr32.exe /s ole32.dll
regsvr32.exe /s shell32.dll
regsvr32.exe /s initpki.dll
regsvr32.exe /s wuapi.dll
regsvr32.exe /s wuaueng.dll
regsvr32.exe /s wuaueng1.dll
regsvr32.exe /s wucltui.dll
regsvr32.exe /s wups.dll
regsvr32.exe /s wups2.dll
regsvr32.exe /s wuweb.dll
regsvr32.exe /s qmgr.dll
regsvr32.exe /s qmgrprxy.dll
regsvr32.exe /s wucltux.dll
regsvr32.exe /s muweb.dll
regsvr32.exe /s wuwebv.dll

Write-Host "7) Removing WSUS client settings..."
REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v AccountDomainSid /f
REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v PingID /f
REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v SusClientId /f

Write-Host "8) Resetting the WinSock..."
netsh winsock reset
netsh winhttp reset proxy

Write-Host "9) Delete all BITS jobs..."
Get-BitsTransfer | Remove-BitsTransfer

Write-Host "10) Attempting to install the Windows Update Agent..."
if($arch -eq 64){
    wusa Windows8-RT-KB2937636-x64 /quiet
    wusa Windows8-RT-KB2937636-x86 /quiet

Write-Host "11) Starting Windows Update Services..."
Start-Service -Name BITS
Start-Service -Name wuauserv
Start-Service -Name appidsvc
Start-Service -Name cryptsvc

Write-Host "12) Forcing discovery..."
wuauclt /resetauthorization /detectnow

Write-Host "Process complete. Please reboot your computer."