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

Fix Windows Defender Network Error in Configuration Tool

When you open the Windows Defender Configuration Tool and see a network error, it usually means t...

Fix Microsoft Teams High CPU Usage: Practical Solutions

If Microsoft Teams is slowing down your computer, you're not alone. High CPU usage is a common co...

Fix 'Permission Denied' in Ubuntu Terminal

You type a command in the Ubuntu terminal and get Permission denied. This usually me...

Fix PowerShell Cannot Connect to Localhost Due to Firewall

When you try to connect to a local service (e.g., a web server, database, or custom application) ...

How to Fix Windows Activation Proxy Error

If you see "We can't activate Windows on this device because of a proxy error" or similar, your s...

How to Fix npm ERR! code ERESOLVE in React Projects