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

Fix 'Windows Security Authentication Failed' for Domain Credentials

Fix Windows Terminal 'Unable to Verify the First Certificate' Error

When using Windows Terminal to connect to a remote server via SSH or access a website over HTTPS,...

How to Fix Windows Security Backup Not Working

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

Fixing PowerShell Rate Limit Errors in Configurations

If you see errors like 429 Too Many Requests or Rate limit exceeded whi...

How to Fix Windows Defender Blocked by Group Policy

When you try to open Windows Defender and see a message like "This app is blocked by group policy...

Fix slui.exe High CPU Usage During Windows Activation

If you notice your CPU pegged at 100% while trying to activate Windows, slui.exe (Software Licens...