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

Fix Windows Defender 504 Gateway Timeout Error

You open Windows Security and see a '504 Gateway Timeout' error. This usually means Windows Defen...

Fix Jupyter Notebook Token Not Working on Mac

You launch Jupyter Notebook on your Mac, see the token URL in the terminal, copy it into your bro...

Fix Cloudflare SSL Flexible Redirect Loop and Permission Denied

If you're using Cloudflare's Flexible SSL and seeing a redirect loop or 'permission denied' in yo...

GitLab Runner Configuration for Pending Jobs: A Troubleshooting Guide

You push a commit, the pipeline triggers, but jobs stay pending indefinitely. Th...

How to Fix Windows Update Not Downloading New Updates

You click "Check for updates" in Windows Update, but nothing happens—or the download hangs at 0%....

Fix 'Outlook File Locked by Another User Permission Denied' Error