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

BitLocker Asking for Recovery Key at Every Boot? Here’s How to Fix

You boot your Windows PC and instead of the usual login screen, BitLocker demands the recovery ke...

Fix Jupyter Notebook Token Not Working on Localhost

If you see a token prompt when opening Jupyter Notebook on localhost, and entering the token fail...

GitLab Runner Stuck Pending: Fix Docker Executor Issues

You see a job stuck in "pending" status in GitLab CI/CD. The runner is registered and shows onlin...

How to Clear Cache Using Command Prompt in Windows 11

If Windows 11 feels sluggish or apps behave oddly, clearing cached files can help. The Command Pr...

Fixing Microsoft Teams DNS Permission Denied Errors

When Microsoft Teams fails to connect and shows a 'DNS permission denied' error, it usually means...

PowerShell Command Not Found but Works in CMD