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

Fix 'File Locked by Another User' in Microsoft Teams

You're editing a file in Microsoft Teams and see the message: "This file is locked by another use...

Fix Windows Activation Error 0xc004c003 After Hardware Change

If you see error 0xc004c003 after upgrading your PC's motherboard, CPU, or other major hardware, ...

Fix Remote Desktop Proxy Connection Timeout

You try to connect to a remote desktop through a proxy, but after a long wait you get a timeout e...

Fix Windows Defender Real-Time Protection Permission Denied

You try to turn on real-time protection in Windows Security, but get a 'permission denied' messag...

Fix OneDrive Sync Service Unavailable on Windows 10

You open OneDrive and see 'Sync service unavailable' with no files syncing. This usually means th...

Fix nvm not working in CMD or PowerShell on Windows