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 Chrome Profile 404 Error: Missing User Data

When Chrome shows a '404' error related to your profile or complains about missing user data, it ...

Command Prompt Setup Guide for Beginners

What is Command Prompt?

Command Prompt is a text-based interface in Windows that lets you...

Fix "7zip Cannot Open File as Archive" Permission Denied Error

You try to open an archive with 7-Zip and get: "Cannot open file as archive" fol...

SSH Key Permissions and Ownership: A Troubleshooting Checklist

If you're seeing "Permissions 0644 for 'id_rsa' are too open" or "Bad owner or permissions" when ...

Fix OneDrive Permission Denied Sync Errors

You see a red circle with a white cross on your OneDrive icon, and hovering over it shows "Permis...