Checklists for software errors, setup, and tool workflows.

Prevent Git Index Lock File Creation: Practical Fixes

If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

Find Nginx Permission Denied Error Logs and Fix Access Issues

When Nginx returns a 403 Forbidden or 500 Internal Server Error, the root cause is often a permis...

Fix VS Code Terminal Not Opening with Conda Environment

You open VS Code, try to launch the integrated terminal, and nothing happens—or the terminal open...

Fix Chrome Black Screen After Disabling Hardware Acceleration

If Chrome shows a black screen after you turn off hardware acceleration, you're not alone. Th...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...