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

How to Refresh an OAuth Token in Command Prompt

If you're working with APIs that use OAuth 2.0, you've likely encountered an expired access token...

Fix Chrome Profile Migration Permission Denied Error

When moving Chrome profiles between computers or restoring backups, you may see a 'permission den...

Fix OneDrive 'Token Expired' Sync Error

You open OneDrive and see a message like 'Token expired' or 'Sign in required' and files stop syn...

Fix Microsoft Store File Locked Permission Denied

When installing or updating apps from the Microsoft Store, you may see errors like 'File locked' ...

Fix Chrome 404 Not Found Error on Windows 10

You're browsing in Chrome on Windows 10 and suddenly get a '404 Not Found' page. This usually mea...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...