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

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 Defender 502 Bad Gateway Sync Error

If you see a "502 Bad Gateway" error when Windows Defender tries to sync, it usually means a temp...

Clear Windows Activation Cache Without Admin Rights

If you're stuck with a Windows activation error but can't get admin rights, you still have some o...

How to Fix Chrome Rate Limit Error When Signing In

When signing into a website in Chrome, you may see an error like “Rate limit exceeded” or “Too ma...

How to Fix Windows Security Backup Not Working

Windows Security backup (part of Windows Backup or File History) may stop working for several rea...

Fix Windows Security Won't Turn On Real-Time Protection

You click the toggle to enable real-time protection in Windows Security, but it switches back off...