title: windows wuauclt - check for updates
wuauclt.exe /detectnow
wuauclt.exe /resetauthorization /detectnow
wuauclt.exe /reportnow
wuauclt.exe /updatnow
If this is on Windows 10, wuauclt /detectnow has been deprecated and no longer functions. you must use powershell to do this.
(New-Object -ComObject Microsoft.Update.AutoUpdate).DetectNow()
A more comprehensive Client side script is (Run from an admin CMD Prompt):
net stop bits
net stop wuauserv
reg delete "HKLMSOFTWAREMicrosoftWindowsCurrentVersionWindowsUpdate" /v AccountDomainSid /f
reg delete "HKLMSOFTWAREMicrosoftWindowsCurrentVersionWindowsUpdate" /v PingID /f
reg delete "HKLMSOFTWAREMicrosoftWindowsCurrentVersionWindowsUpdate" /v SusClientId /f
reg delete "HKLMSOFTWAREMicrosoftWindowsCurrentVersionWindowsUpdate" /v SusClientIDValidation /f
rd /s /q "C:WINDOWSSoftwareDistribution"
net start bits
net start wuauserv
wuauclt /resetauthorization /detectnow
PowerShell.exe (New-Object -ComObject Microsoft.Update.AutoUpdate).DetectNow()