Windows Activation 502 Bad Gateway: Troubleshooting Checklist
If you're seeing a '502 Bad Gateway' error when trying to activate Windows, the problem is usuall...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Connection Refused Due to Proxy Settings
When Windows Update reports a 'connection refused' error, it's often due to a misconfigured proxy...
Fix Outlook Cannot Connect to SMTP Server Error
You try to send an email in Outlook, but it fails with a message that Outlook cannot connect to t...
Fixing PowerShell Authentication Failures in Active Directory
You're running a PowerShell command against Active Directory and get an authentication failure. T...
BitLocker Access Denied: No Recovery Key – What to Do
If BitLocker is denying access and you don't have the recovery key, the situation is serious. Bit...
Fix Windows Activation Error 0x8007232b DNS Name Does Not Exist
When activating Windows, you might see error 0x8007232b with the message “DNS name does not exist...
Topic paths
Quick titles
How to Resolve PowerShell Command Missing ErrorWindows Defender Authentication Error After UpdateFix Windows Security Service Unavailable Permission DeniedTroubleshoot Windows Security Connection TimeoutHow to Fix WinRAR Checksum ErrorRD Gateway 502 Error: Firewall Configuration GuideResolve 502 Error in Windows Terminal Proxy SetupFix Windows Search Not Working