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

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Fix Python Permission Denied When Running pip install -r requirements.txt

Fix Windows Update Service Not Running for System Restore

You might see “System Restore did not complete successfully” or “Windows Update service is not ru...

Git Merge Conflict Checklist Before Merging

You're about to merge a branch, but you've been burned by merge conflicts before. This ch...

Python Memory Error When Processing Large Files: Troubleshooting Checklist

You're running a Python script that reads a large file—maybe a CSV with millions of rows, a l...

Fix npm install Permission Denied Errors on package.json

You run npm install and get a permission denied error that mentions package.js...