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

Nginx 502 Bad Gateway: PHP-FPM Fix Guide

Seeing a 502 Bad Gateway error from Nginx usually means it can't reach PHP-FPM. This is common af...

Fix Windows Update Service Not Running on Startup

If your PC gets stuck in an automatic repair loop and the Windows Update service is not running o...

Fix Windows Update Connection Refused After Network Reset

After resetting your network settings in Windows, you may see a "Connection refused" error when t...

Setup PowerShell Offline Installer on Multiple Computers

When you need to install PowerShell on several Windows machines that lack internet access, the st...

How to Fix Cloudflare 525 Error: Origin Server Troubleshooting

Cloudflare 525 error means the SSL handshake between Cloudflare and your origin server failed. Th...

Fix Remote Desktop Path Not Found Error in Windows 10