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

Fix 'PowerShell Not Recognized' Error on Windows

When you type powershell in Command Prompt or a script and see “powershell is not re...

BitLocker Version Mismatch Repair: How to Fix Drive Access Issues

If you're seeing a "BitLocker version mismatch" error when trying to unlock an encrypted drive, i...

Fix KMS Activation Error: Port 1688 Already in Use

PowerShell Cache Clear Troubleshooting Checklist

PowerShell caches various data—module locations, command metadata, and session state. When you in...

Fix Outlook Token Expired Authentication Failed Error

If you see 'token expired' or 'authentication failed' in Outlook, it usually means the app's save...

Jupyter Notebook Token Not Working? How to Reset Password

You start Jupyter Notebook, see the token prompt, paste the token from the terminal, but it fails...