Checklists for software errors, setup, and tool workflows.

Fix Windows Search 502 Bad Gateway After Update

After a recent Windows Update, you might see a “502 Bad Gateway” error when using Windows Search....

Windows Activation Proxy Error: Complete Troubleshooting Checklist

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

How to Fix Remote Desktop Cross-Subnet Connection Issues

You're trying to connect to a computer on a different subnet using Remote Desktop, but the connec...

How to Fix Outlook High CPU Usage with Repair Tools

Outlook using 50% or more of your CPU can slow your whole system. This often happens with large m...

Fix Windows Activation Authentication Failed Error: License Not Genuine

When you see a message like “Windows activation authentication failed” or “license not genuine,” ...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...