Knowledge base for software setup, errors, and daily tool work.

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

How to Fix BitLocker Module Not Found or Permission Denied Errors

Fix Chrome 502 Bad Gateway Error Caused by Extensions

You're browsing Chrome and suddenly see a 502 Bad Gateway error. The page won't ...

Fix Microsoft Teams Auto Start Not Working via Task Manager

You've set Microsoft Teams to launch automatically, but it doesn't start when you log in. You che...

How to Fix Windows Update Error 0x80070422 (Service Unavailable)

When you try to run Windows Update and get error 0x80070422, it usually means the Windows Update ...

How to Fix Windows Defender Rate Limit Exceeded Error

If you're seeing a 'rate limit exceeded' error in Windows Defender (now Microsoft Defender for En...