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

Fix Windows Update Connection Refused Due to Firewall

If Windows Update fails with a "connection refused" error, your firewall is likely blocking the u...

Install Microsoft Teams Without Admin Rights: Practical Methods

If your IT department restricts software installation, you might still need Microsoft Teams for w...

Fix Windows Security Service Stopped Working in Windows 10

If you see a notification that the Windows Security service has stopped working, your antivirus o...

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...

Fixing GitHub Actions Permission Denied for Git Commands

Windows Security Cache Troubleshooting Checklist

Windows security cache stores credentials, tokens, and security policies to speed up authenticati...