
Fix Windows Defender Access Denied Error on Startup
If you see 'Windows Defender failed to start access denied' when you open Windows Security or aft...
Software troubleshooting desk

If you see 'Windows Defender failed to start access denied' when you open Windows Security or aft...

After updating an SSL certificate on your origin server, you may see a Cloudflare 525 error: SSL ...

If Windows Defender is disabled and you suspect a Group Policy setting is the cause, you may see ...

You try to open Chrome and get a 404 error for your profile, or you see a message that the profil...

If you've enabled logging in Windows Terminal and the log file stays empty—or never appears—you'r...

If the Microsoft Store won't load, apps fail to download, or updates get stuck, a corrupted cache...