
Fix Windows Security Can't Connect to Server Error
When you see "Windows Security cannot connect to the server" while trying to sign in or access a ...
Software troubleshooting desk

When you see "Windows Security cannot connect to the server" while trying to sign in or access a ...

If you see a BitLocker recovery screen after a network timeout—especially on systems that use Net...

If you see a "502 Bad Gateway" error in Chrome on your Mac, especially after a crash or update, i...

You restart Chrome, and suddenly one or more extensions are grayed out, missing, or not functioni...

If you're seeing a 504 gateway timeout when running PowerShell commands or scripts on Windows Ser...

If Windows Defender shows a rate limit error—often with messages like "Threat service has stopped...