Fix Windows Activation 502 Bad Gateway Due to Proxy Settings
If you see a "502 Bad Gateway" error when trying to activate Windows, the problem is often a misc...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update High CPU Usage and Error 0x80070002
When Windows Update runs, you may see high CPU usage and eventually error 0x80070002. This usuall...
How to Fix Outlook Crash Error 0x80004005
If Outlook crashes or shows error 0x80004005 when launching or performing an act...
Fix Windows Activation 502 Bad Gateway Network Error
When activating Windows, you may see a "502 Bad Gateway" network error. This usually means the ac...
Fixing 'Connection Refused' in Command Prompt Due to Firewall
If you see a 'connection refused' message in Command Prompt when trying to connect to a remote se...
Resolving Windows Security Version Mismatch Errors
You open Windows Security and see an error like “This app can’t open because there’s a problem wi...
Topic paths
Quick titles
Microsoft Store Service Unavailable on Windows 11 FixFix Windows Activation After Dual Boot UbuntuHow to Fix Microsoft Teams Screen Sharing Not WorkingTroubleshoot Chrome Network Changed ErrorError 0x80073cf0: Microsoft Store Version Mismatch FixTroubleshoot 504 Gateway Timeout on ChromeChrome Memory Fix Windows 10 GuideDisable Windows Defender Real-Time Protection Permanently