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

How to Fix Git Push Rejected Non Fast Forward Merge

You run git push and see an error: rejected – non-fast-forward. This happen...

How to Fix DNS Errors by Setting Up Windows Defender

If you're seeing DNS errors while browsing—like "DNS server not responding" or "DNS probe finishe...

Fix npm install Peer Dependency Conflicts

When you run npm install and see warnings like UNMET PEER DEPENDENCY or...

Fix Command Prompt Not Working After Windows Update

After a Windows update, you might click on Command Prompt and see nothing happen, or it flashes a...

Fix 'chrome command not found' After Snap Install

Complete Windows Security Setup Checklist

If you're setting up a new Windows machine or hardening an existing one, this checklist covers th...