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

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fix Nginx Configuration Test Failure from Rewrite Rules

You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

How to Fix Windows Explorer Error 0xc0000005 on Restart

If Windows Explorer keeps restarting and you see error 0xc0000005, it usually means a critical pr...

Python Virtual Environment Not Activating on Mac: Fixes

You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...

Fix DNS Probe Finished NXDOMAIN on Router: Step-by-Step

You're browsing and suddenly Chrome shows 'DNS_PROBE_FINISHED_NXDOMAIN'. This means y...

Fix Python UnicodeDecodeError When Parsing JSON

You're parsing a JSON file in Python and hit UnicodeDecodeError: 'utf-8' codec ...