Checklists for software errors, setup, and tool workflows.

Fix Remote Desktop Error 0x204 After Windows Update

If you see error 0x204 when trying to connect to a remote desktop after a Windows update, the con...

Fix Windows Defender Firewall Blocking Internet Access

If your internet stops working after a Windows update or security change, Windows Defender Firewa...

Windows Activation Proxy Error: Complete Troubleshooting Checklist

When you see a Windows activation error that mentions a proxy, it usually means the activation cl...

Fix Chrome Gateway Timeout Error After Profile Update

If you see a '504 Gateway Timeout' error in Chrome right after a browser profile update, it's usu...

Fix Windows Security Service Not Running Error

You open Windows Security and see a red banner: “Windows Security service is not running.” Or you...

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" ...