Practical fixes for tool errors, setup blocks, and workflow issues.

How to Disable Shell Extensions to Stop Explorer Restarting

If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...

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

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

fatal: Unable to create &#...

How to Fix Nginx Upstream Connection Refused Error

If you're seeing upstream connection refused in your Nginx error logs, it usuall...

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

VS Code Source Control Not Detecting Changes on Mac: Fixes

You make edits in VS Code on your Mac, but the Source Control panel shows nothing. No files appea...