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

Fix Microsoft Teams Token Expired Authentication Failed Error

You're signed into Microsoft Teams and suddenly get a message saying your token has expired or au...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Outlook Stuck Loading Due to Corrupted PST File

If Outlook gets stuck on the loading screen (often showing 'Loading profile' or 'Opening Outlook'...

How to Enable Chrome Auto-Start for a Specific Profile

You want Chrome to open automatically when you log in, but with a specific profile (e.g., your wo...

Fix Windows Update Rate Limit Error and Sync Issues

You might see a rate limit error or sync issue in Windows Update when the update service temporar...

Fix Windows 10 Product Key Not Working on Mac Boot Camp

If you've installed Windows 10 on a Mac via Boot Camp and your product key isn't accepted, you're...