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

Fix Windows 11 Blue Screen After Update Using SFC /Scannow

After a Windows 11 update, you might see a blue screen error on boot or during use. One common fi...

Fix 'git remote origin already exists' Error in GitLab

Windows 11 Update Stuck at 0%: How to Fix

You start a Windows Update, and the progress bar sits at 0% for ten minutes, an hour, or longer. ...

Cloudflare Error 521: Web Server Down Checklist

Cloudflare error 521 means your origin web server refused the connection. This is not a Cloudflar...

Fixing Nginx 502 Bad Gateway with Docker and Load Balancers

If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...

Fix Windows Search Indexing Not Working for Outlook

If you open Outlook and search for an old email, contact, or appointment and nothing appears, or ...