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

How to Resolve Port Conflicts with Windows Defender Firewall

You're trying to run a local server or application, but it fails to start because the port is alr...

How to Stop a systemd Service Restart Loop

You run systemctl status and see the service flipping between 'activating' and 'fail...

Fix Windows Defender Proxy Error Not Working

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

How to Fix WSL Ubuntu No Internet Access

If your WSL Ubuntu instance has no internet access, you're not alone. This usually happens after ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

GitLab Runner Stuck Pending After Upgrade: Fixes

After upgrading GitLab Runner, you may see jobs stuck in pending state. This usually happens beca...