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

Fix Error 0x80070080: Windows Update Reset Permissions

Error 0x80070080 (access denied) during Windows Update usually means the system lacks proper perm...

How to Allow Unrelated Histories in Git Merge

Cloudflare Wildcard Subdomain CNAME Setup Guide

If you need to route all subdomains (e.g., *.example.com) to the same target, a wildcard CNAME re...

Fix Windows Explorer Restarting After Login

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

Checklist for Nginx Configuration Test Failure

When you run nginx -t and get a failure, the server won't reload or restart. Thi...

Fix Node.js Heap Out of Memory Error in PM2

If you're running a Node.js application under PM2 and seeing FATAL ERROR: CALL_AND_RETR...