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

How to Fix Windows Search Not Finding Files

You search for a file by name in the Windows search box, but nothing shows up—even though you kno...

Fix Windows Defender DNS Error Not Working

You open Windows Security and see a warning that Windows Defender isn't working, often accompanie...

How to Fix Microsoft Teams 404 Error: Step-by-Step Guide

If you're seeing a 404 error in Microsoft Teams—often when trying to open a file, channel, or tab...

Fix Windows Defender Authentication Failed Error in Windows 10

You see a message like 'Windows Defender Authentication Failed' when trying to open or update Win...

Fix npm install ENOTFOUND on Windows 10: Package.json Issues