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

Fix 'OneDrive File Locked by Another User' Sync Stuck

You're trying to sync a file in OneDrive, but it's stuck and shows 'File locked by another user'....

How to Fix Abnormal Memory Usage in CMD on Windows

Command Prompt Full System Restore Checklist

If your Windows system is unstable or won't boot, you might need a full system restore. Using Com...

Fix Windows Activation 'Cannot Connect' Error

If you see an error saying Windows cannot connect to the activation server, it usually means your...

Fix Microsoft Teams 404 Not Found Error When Loading Apps

You click an app in Microsoft Teams and see a '404 Not Found' page instead of the app loading. Th...

Fix Windows Security Proxy 504 Gateway Timeout Configuration

When Windows Security (Windows Defender) reports a 504 Gateway Timeout error through a proxy, it ...