Fix 'Connection Refused' Error on localhost in CMD
When you run a command like curl http://localhost:8080 or telnet localhost 330...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search Indexing Turned Off Error
If you search for a file or email and get no results, or the search box says "Indexing is turned ...
Fix Windows 10 Activation SSL Certificate Errors
When trying to activate Windows 10, you might see an error like "We can't activate Windows on...
Fix Outlook Slow Sending and Receiving Emails
You open Outlook, click Send/Receive, and wait. And wait. Emails trickle in or won't go out. This...
Fix Windows Security High CPU Usage After Update
After a Windows update, you might notice the Windows Security process (Antimalware Service Execut...
How to Check DNS Configuration for Windows Activation
If Windows activation fails with an error like “0x8007232B” or “DNS name does not exist,” the pro...
Topic paths
Quick titles
Resolve Port Already in Use Error in VS CodeMicrosoft Store Log File Error TroubleshootingTroubleshoot Microsoft Store 404 Not FoundHow to Fix Version Mismatch During Windows ActivationHow to Fix Chrome Profile SSL Certificate ErrorHow to Set Up Windows Activation Offline InstallerFix 502 Bad Gateway Nginx from Command LineFix Microsoft Teams High CPU Usage & Permission Denied Errors