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

Fix Chrome Proxy Error 'Connection Refused' (Step-by-Step)

You try to open a website in Chrome and get 'ERR_CONNECTION_REFUSED' or 'Proxy server is not resp...

Fix Windows Defender Real-Time Protection Stuck on Scanning

If Windows Defender's real-time protection appears stuck on 'Scanning' and never completes, it ca...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix Microsoft Teams Not Opening After Update

After a recent update, Microsoft Teams may fail to open—stuck on a loading screen, crash instantl...

Fix Get-ChildItem Access Denied Errors in PowerShell

When you run Get-ChildItem in PowerShell and hit an "Access Denied" error, it usuall...

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...