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

Git Detached HEAD: Practical Checklist and Fixes

You see a message like 'You are in 'detached HEAD' state' when checking out a com...

Chrome Won't Open After Update: Step-by-Step Fix

You updated Chrome, and now it won't open—no window, no error, just nothing. This is a common...

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 Chrome Status Access Violation Error on Windows

If you see a message like "STATUS_ACCESS_VIOLATION" in Chrome, the browser has crashed du...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

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...