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

Fix Windows Defender Connection Refused After Update

After a recent Windows Update, you might see a "connection refused" error when trying to open Win...

How to Re-enable Windows Defender Real-Time Protection

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...

Fix Windows Security Authentication Error 0x80070035

Fix OneDrive File Locked by Office Document Sync Issue

You open an Office file from OneDrive and see an error that the file is locked or in use by anoth...

How to Fix OneDrive Sync Network Error on Windows

OneDrive sync network errors typically appear as 'We couldn't sync' or 'Network error' in the not...

Fix Microsoft Teams Offline Installer Not Working

You downloaded the Microsoft Teams offline installer but it fails to run, hangs, or throws an err...