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

How to Backup Chrome Profile Before Reinstalling

When you reinstall Chrome, you risk losing all your bookmarks, saved passwords, extensions, and s...

How to Run pip Without sudo on Linux

If you've ever run pip install somepackage and gotten a PermissionError...

Fix kubectl Apply Forbidden in AKS: Permission Denied

Fix OneDrive Connection Refused Due to Firewall Settings

You open OneDrive and see "Connection refused" or "Cannot connect" errors. Often this is because ...

How to Fix the BitLocker Recovery Key Invalid Error

You enter your BitLocker recovery key at the Windows startup screen, but the system says it's inv...

Fix Windows Defender Error 502 Bad Gateway

You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...