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

Fix DNS Probe Finished NXDOMAIN with VPN Issues

When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...

Windows Update Service Not Running: Registry Fix Guide

If Windows Update fails to run, the service may be disabled or corrupted. This guide covers regis...

How to Fix Windows Update Error 0x80070005

Windows Update error 0x80070005 usually means the update process lacks necessary permissions. It ...

Fix 'Permission Denied' Error When Using pip Install on Linux

When you run pip install somepackage on Linux and see Permission denied...

Fix Nginx Upstream Connection Refused & Upstream Not Found

When you see upstream connection refused or upstream not found in your ...

Fix Nginx 502 Bad Gateway on Docker Ubuntu