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

Fix OneDrive Error 0x8004de40: Sync Not Working

If you see error code 0x8004de40 when trying to sync files in OneDrive, it usually means the conn...

How to Fix an Outlook File Locked Due to Sync Issue

You try to open Outlook and see a message that your data file (.pst or .ost) is locked. Often thi...

How to Backup and Restore Files Using Command Prompt

If you've ever lost important files, you know how valuable a good backup can be. The Command Prom...

Windows Defender Proxy Error: Setup Checklist for Fix

You're running Windows Defender and it throws a proxy error—often during an update or a full scan...

Fix Remote Desktop 504 Error on Azure VM