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

Fix Microsoft Teams Token Expired Not Working

If you see "token expired" in Microsoft Teams and the app stops working, it usually means your au...

Fix 'Outlook File Locked by Windows File Sharing' Error

You try to open Outlook and get an error that the PST or OST file is locked by Windows file shari...

Fix 'Windows Security Authentication Failed' for Domain Credentials

How to Fix Microsoft Store App Update Permission Denied Error

When you try to update an app from the Microsoft Store and see a "permission denied" or "access d...

Fix Windows Activation 502 Bad Gateway After Upgrade

After a Windows upgrade, you might see a '502 Bad Gateway' error when trying to activate. This us...

Fix Outlook Sync Issues with Gmail on Windows: Step-by-Step

If Outlook stops syncing with your Gmail account on Windows, you're not alone. This often shows u...