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

Fix 'Token Expired Permission Denied' in Microsoft Teams

You're working in Microsoft Teams and suddenly you can't access a channel, send a message, or ope...

Fix GitHub Actions Cache Action Permission Denied Error

How to Fix Windows Security Not Opening After Update

After a Windows update, you might click the Windows Security icon and nothing happens, or the app...

OneDrive Command Line Sync Troubleshooting Checklist

OneDrive sync problems often show up as files not updating, error messages, or the sync icon stuc...

How to Kill a Process Using a Port in Command Prompt

When you try to start a local server or application and see an error like "port already in use" o...

GitLab Runner Not Picking Up Jobs: Common Fixes

You've set up a GitLab Runner, but jobs sit in the queue with no signs of being picked up. This g...