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

Fix Windows Security Blank Screen Not Loading

You open Windows Security (formerly Windows Defender) and see nothing but a blank white or gray s...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Windows Security High CPU Usage: Step-by-Step

If you notice your PC fan spinning loudly or sluggish performance, Windows Security might be usin...

Fix Windows Update 'Path Not Found' Error

When running Windows Update, you might see an error like 0x80070003 - Path Not Found...

How to Reauthenticate OneDrive Sync on Windows and Mac

If OneDrive has stopped syncing and you see errors like 'Sign in required' or 'Credentials needed...

Fix 7-Zip 'Cannot Open File' Error When Repairing Archives

When you try to repair a corrupted archive with 7-Zip and get a “Cannot open file” error, it usua...