
Fix Error 0x80070422 Windows Security Version Mismatch
You may see error code 0x80070422 when opening Windows Security, often accompanied by a message a...

You may see error code 0x80070422 when opening Windows Security, often accompanied by a message a...

You start a service or application in Windows Terminal and see an error like "port already in use...

You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...

If Windows Defender (Microsoft Defender Antivirus) gets stuck on a loading screen or shows a blan...

You open Command Prompt and see an error like "Invalid configuration" or "Configuration system fa...

You open Settings > Update & Security, and everything under Windows Update is greyed out. Buttons...