
Fix Windows Security Not Opening or Running Slow
If Windows Security (formerly Windows Defender) won't open or takes forever to load, it's usually...
Software troubleshooting desk

If Windows Security (formerly Windows Defender) won't open or takes forever to load, it's usually...

If you see a message that your Windows activation token has expired, it usually means the system'...

After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...

You try to open Windows Security or change a setting, and you get an "Access Denied" message. Thi...

When you try to delete a downloaded file from Chrome's download bar or the Downloads page, you mi...

You might need to reset Windows Defender (now Microsoft Defender Antivirus) to its default settin...