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

Fix Windows Activation Update Error 0x80073712

If you see error 0x80073712 when trying to activate Windows or install updates, it usually means ...

How to Unlock a File Locked by Task Scheduler

You try to edit, move, or delete a file and get an error like “The action can’t be completed beca...

Fix Microsoft Teams Not Detecting External Webcam

You plug in your external webcam, open Microsoft Teams, and the video feed stays black or shows t...

How to Fix Node Version Mismatch in a React Project

When you run npm start or yarn start in a React project and get errors ...

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 Command Prompt Not Working After Windows Update

After a Windows update, you might click on Command Prompt and see nothing happen, or it flashes a...