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

Firefox Not Responding While Other Browsers Work: Fix

If Firefox is unresponsive—freezing, crashing, or not loading pages—but other browsers like Chrom...

Fix Microsoft Teams High CPU Usage & Permission Denied Errors

You open Microsoft Teams, and your laptop fan kicks in. Task Manager shows Teams using 50% or mor...

How to Fix '404 Not Found' File Path Errors in CMD

Fix Windows Activation Update Error 0x80070002

If you see error 0x80070002 when trying to activate Windows or install updates, it usually means ...

Fix Node Version Mismatch Error ERR_INVALID_ARG_TYPE

You see ERR_INVALID_ARG_TYPE after a Node.js update or when switching projects. This...