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

GitHub Actions Runner Not Connecting: Fixes That Work

You've set up a self-hosted GitHub Actions runner, but it never appears online or shows a "runner...

Fix 'Connection Refused on Port 80' in Command Prompt

When you see "connection refused on port 80" in Command Prompt, it usually means no program is li...

Reset Task Scheduler to Default Settings in Windows 11

If scheduled tasks fail to run, disappear, or behave erratically, the Task Scheduler library may ...

Fix Windows Defender Dependency Conflict Error

If you see a Windows Defender error about a dependency conflict, it usually means a required serv...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

How to Fix BitLocker Pre-Boot Authentication Not Working

You enter your PIN or password at boot, but BitLocker skips the prompt and boots directly to Wind...