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

How to Fix ERR_NETWORK_CHANGED in Chrome

You're browsing in Chrome and suddenly a page fails to load with the error "ERR_NETWORK_CHANGED"....

Check PowerShell Version Before Running Scripts

You wrote a PowerShell script or downloaded one from a repository. You run it, and it fails with ...

Fix Windows Update Cannot Connect to Microsoft Servers

You see the error 'Windows Update cannot connect to Microsoft servers' and updates won't download...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix 502 Bad Gateway in Remote Desktop Connection

When you see a 502 Bad Gateway error while trying to connect via Remote Desktop,...

Checklist for Debugging 502 Bad Gateway in Command Prompt

You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...