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

Fix Windows Security Service Not Running Error

You open Windows Security and see a red banner: “Windows Security service is not running.” Or you...

Microsoft Store 504 Error: Beginner's Troubleshooting Checklist

You open the Microsoft Store and instead of apps, you see a 504 error. This usually means the sto...

Git Pull Merge Conflict Troubleshooting Checklist

You run git pull and get a merge conflict message. This is common when your local br...

Fix Command Prompt Not Recognizing Commands

How to Fix Git Push Rejected (Non-Fast-Forward)

You run git push and get a rejection: ! [rejected] main -> main (non-fast-forwar...