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

Fix 'python command not found' on Windows with Python Installed

You installed Python on Windows, but when you type python --version in Command Promp...

VS Code Debugger Not Hitting Breakpoints in Node.js: Fixes

You set breakpoints in your Node.js code, start the debugger, and the execution runs straight thr...

Chrome Certificate Error Invalid Authority: Diagnosis Checklist

When Chrome shows NET::ERR_CERT_AUTHORITY_INVALID and refuses to load a site, it...

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails

You're browsing normally and suddenly Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". You...

Chrome Sync Not Working on School Chromebook: Fixes

If your Chrome browser isn't syncing bookmarks, passwords, or history on a school Chromebook,...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist