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

How to Fix Cloudflare Origin Certificate Invalid Error

If you see a Cloudflare origin certificate invalid error, your browser or server is rejecting the...

Fix npm run build failing due to ESLint errors

You run npm run build and it fails with a wall of ESLint errors. This is common when...

Fix Windows 11 Blue Screen After Update Stuck in Restart Loop

After a Windows 11 update, your PC may show a blue screen error and then restart repeatedly, neve...

Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then sits there. No...

How to Fix Nginx Redirect Loop in Server Block

You set up a server block in Nginx, but now the browser keeps redirecting—http to https, or www t...

Fix 'node-sass build failed python not found' Error