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

Microsoft Store Not Working on Mac Sonoma: Fixes

If you're running macOS Sonoma and the Microsoft Store won't open, keeps crashing, or fails to do...

Fix BitLocker Authentication Failed with TPM Not Working

If BitLocker prompts for a recovery key or shows "Authentication failed" and TPM is not working, ...

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...

Outlook Not Receiving Emails from Specific Sender: Fixes

If Outlook is not receiving emails from a specific sender while other emails come through fine, t...

Conda Environment Solve Failed: Practical Troubleshooting Checklist