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

How to Clear Chrome Profile Cache to Fix 504 Errors

A 504 Gateway Timeout error in Chrome usually means the server didn't respond in time. But someti...

Fixing Node Version Mismatch When Running Create React App

When you run npx create-react-app my-app and see errors about an unsupported Node.js...

Fix Windows Defender High CPU Usage in Windows 10

If you notice your PC slowing down and the fan spinning up, Windows Defender might be using more ...

Clear Windows Activation Cache After Hardware Change

After swapping a motherboard, CPU, or hard drive, Windows may show an activation error or waterma...

Fix Outlook Proxy Error After Windows Update

After a Windows update, some users see a proxy error in Outlook—something like “Cannot connect to...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...