
Fix Windows Defender Proxy Error 0x80070422
If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...
Software troubleshooting desk

If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...

If Windows Security settings become misconfigured—perhaps after a third-party antivirus installat...

If Windows Defender doesn't start automatically after boot, it may leave your system unprotected ...

If you see errors like 'Certificate not valid' or 'SSL connection error' when opening Microsoft S...

You click 'Check for updates' and after a while see error 0x800f0922. This usually happens when W...

You open OneDrive and see an error like “Your token has expired” or code 0x8004de40. This usually...