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

How to Fix Windows Defender Authentication Failed Error

If you see "Authentication failed" when opening Windows Defender or trying to run a scan, it usua...

Using --legacy-peer-deps to Fix ERESOLVE Errors in npm

If you've run npm install and encountered an ERESOLVE error, you're not...

How to Fix Microsoft Store DNS Error on Windows 10

If you see a DNS error when opening Microsoft Store on Windows 10, it usually means the app can't...

How to Fix 'File Locked by System' in Windows Defender

If you see an error like "File locked by system" when running a Windows Defender scan or trying t...

How to Fix Outlook Setup Error 'Cannot Start Microsoft Outlook'