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

Fix Windows Defender Blank Screen via Registry Edit

If you open Windows Defender Security Center and see only a blank white or gray screen, the inter...

Fix 'Port Already Allocated' Error in Windows Defender

You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Fix Task Scheduler Authentication Failed After Password Reset

You changed your Windows password and now scheduled tasks fail with “authentication failed” error...

Windows Terminal DNS Configuration for VPN: Fix Split Tunneling Issues

When you connect to a VPN, Windows Terminal may fail to resolve internal hostnames or corporate r...

How to Stop Chrome Profile Reset Settings From Reverting

You change Chrome's settings—like the default search engine, homepage, or startup pages—but after...