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

How to Fix '404 Not Found' File Path Errors in CMD

Windows Defender Real-Time Protection Won't Turn On: Fixes

You open Windows Security, toggle real-time protection on, but it slides back to off. This is a c...

How to Reduce OneDrive Sync Cache Size

OneDrive can use a lot of local disk space for its sync cache, sometimes growing to tens of gigab...

Windows Defender Service Not Working in Windows 11: Fixes

If Windows Defender won't start or shows a service error in Windows 11, your system may be unprot...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Fixing Outlook Connection Timeout Due to Firewall Settings

Outlook suddenly stops sending or receiving email, displaying a 'connection timeout' error. This ...