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

Fix Microsoft Teams 502 Bad Gateway Due to Network Config

You open Microsoft Teams and see a 502 Bad Gateway error. This usually means you...

Fix 'BitLocker Module Not Found' Error During Encryption

You attempt to enable BitLocker encryption on a Windows drive and receive an error: "BitLocker mo...

Fix VirtualBox Kernel Driver Permission Denied on Linux

Remote Desktop Authentication Failed: Troubleshooting Checklist

When you see "Authentication failed" while trying to connect to a remote desktop, it usually mean...

Fix Windows Store Error 0x80073cf9 Permission Denied

When you see error 0x80073cf9 in the Windows Store, it usually means the installer can't write to...

Fix Windows Defender High CPU Usage with Registry Tweaks

If Windows Defender is using 30-50% CPU constantly, even when idle, it's usually due to aggressiv...