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

Windows 11 Installation Assistant Stuck at 99%: Fixes That Work

You’re upgrading to Windows 11 via the Installation Assistant, and it gets stuck at 99%. The prog...

Git Detached HEAD vs Attached HEAD: What It Means and How to Fix

If you've seen the message "You are in 'detached HEAD' state" while using Git...

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...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fixing Cloudflare 522 Errors with Load Balancer Setup

If you see a Cloudflare 522 error, the connection between Cloudflare and your origin server timed...

Fixing Nginx Permission Denied on Mounted Drive

When you mount an external drive and point Nginx to serve files from it, you may get a 403 Forbid...