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

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

Fix Windows Explorer Restarting After Login

If Windows Explorer keeps restarting after you log in, you’ll see the desktop flash, icons disapp...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fixing Cloudflare Wildcard Subdomain Proxy Errors

If you've set up a wildcard DNS record (e.g., *.example.com) in Cloudflare and a...

Fix Nginx Permission Denied on Socket File

When Nginx throws a "permission denied" error for a socket file, the web server can't...

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...