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

Fix OneDrive Sync Error 0x8004de40 During Migration

When migrating OneDrive accounts or moving files between tenants, you may see error 0x8004de40. T...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

Fix Windows Activation Service Unavailable Without Product Key

You see 'Windows activation service unavailable' and you don't have the product key. This usually...

Fix PowerShell Infinite Login Loop in Windows

If you're stuck in a loop where PowerShell opens, closes, and reopens repeatedly, it's usually ca...

Fix OneDrive Sync Permission Denied After Migration

After migrating files or moving to a new device, OneDrive may report 'permission denied' when try...

Outlook Token Expired with Modern Authentication: Fixes

You're using Outlook and suddenly it asks for your password repeatedly, or shows an error like 'Y...