
Fix Windows Defender Security Center Not Opening
When you click the Windows Defender Security Center icon or try to open it from Settings, nothing...
Software troubleshooting desk

When you click the Windows Defender Security Center icon or try to open it from Settings, nothing...

You open Command Prompt or PowerShell, type something like MpCmdRun or Get-MpC...

You're connected to a remote machine, and suddenly the CPU usage on your local client or the remo...

You open Windows Security, go to Virus & threat protection, and see Real-time protection is turne...

You may see a 502 Bad Gateway error when using Windows Search, especially if you rely on web sear...

If you're stuck in a login loop in Windows Terminal — you type your password, the screen flashes,...