Fix Windows Defender Connection Refused or Permission Denied Errors
If you see "connection refused" or "permission denied" when trying to start or update Windows Def...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Search Fails with DNS_PROBE_FINISHED_NO_INTERNET
You type a query into the Windows Search bar, and instead of results, you see “No internet” or a ...
Fix Microsoft Store 504 Gateway Timeout & Network Issues
When you see a 504 Gateway Timeout error in the Microsoft Store, it usually mean...
Fix Windows Security Not Launching at Startup
You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...
How to Run Windows Security on a Mac
If you need to run Windows Security (formerly Windows Defender) on a Mac, you're likely trying to...
Set Up Static DNS in Windows 11 Using Command Prompt
If you need to switch from automatic DNS to a static DNS server (like Google's 8.8.8.8 or Cloudfl...