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

Fix 502 Bad Gateway After Reboot in Command Prompt

If you see a 502 Bad Gateway error after rebooting your server or workstation, i...

Command Prompt Service Unavailable: Troubleshooting Checklist

When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...

Fix Windows Activation Failed After Update

After a Windows update, you might see an activation error like "Windows failed to start" or "Acti...

Fix Windows Defender Error 0x8007042c: Network & Setup Checks

You see error 0x8007042c when opening Windows Defender or during a scan. The message usually says...

SSH Connection Timed Out: Troubleshooting Checklist

You're trying to SSH into a remote server, but the connection just hangs and eventually fails wit...

Fixing GitHub Actions Permission Denied for Git Commands