Checklists for software errors, setup, and tool workflows.

Fix Windows Security Connection Refused via Group Policy

You open Windows Security and see 'Connection refused' or 'Something went wrong.' Often this happ...

Fix Windows Defender High Memory Usage in Windows 11

You open Task Manager and see Windows Defender (Microsoft Defender Antivirus) using 500 MB or mor...

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...

Fix Chrome 504 Gateway Timeout After Update

After a recent Chrome update, you may see a 504 Gateway Timeout error when tryin...

Fix PowerShell Invoke-WebRequest Network Errors Behind a Proxy

When you run Invoke-WebRequest in PowerShell and hit a network error, a misconfigure...

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" ...