
Windows Security Not Opening? Here's How to Fix It
You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...
Software troubleshooting desk

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...

You open Outlook and see an error about a version mismatch, or Outlook won't start because of a r...

You might see an error like 'Windows Defender cannot check for definitions because of an SSL cert...

You typed remote desktop or a related command in the terminal, and got back co...

You may see a Windows Security rate limit error when trying to open the app or run a scan. This o...

Users sometimes see errors like "Can't connect to Microsoft Teams" or "Sign-in error" when DNS se...