Fixing Windows Security 502 Bad Gateway Errors
If you see a 502 Bad Gateway error in Windows Security (or the Windows Defender portal), it usual...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix SFC Scan Error 0x80073712: Corruption Found but Unrepairable
When you run the System File Checker (SFC) in Windows and it fails with error 0x80073712, the mes...
How to Fix 'Permission Denied' Error When Opening Outlook Attachments
You try to open an attachment in Outlook and get a 'permission denied' message. The file might be...
Fix Windows 10 Activation Proxy Error: Step-by-Step Guide
You try to activate Windows 10 but get an error about a proxy server. This usually means the acti...
Fix Windows Defender Crashing After Update Error 0x800704ec
If Windows Defender crashes or fails to start after a recent update and you see error 0x800704ec,...
How to Fix Chrome Profile Access Denied Error
You try to open Chrome and get a message saying 'Your profile could not be opened correctly' or '...
Topic paths
Quick titles
Chrome Freezes After Changing Settings: How to FixHow to Resolve Windows Search Update Error 0x80240034Outlook Slow in Windows 10? Try These SettingsOneDrive Not Syncing? Fix It When Internet WorksHow to Fix Windows Update Error 0x80070003Windows Update Error: Connection Refused Due to Firewallnpm install ENOENT: Package.json Causes and FixesHow to Break a Login Loop Using Command Prompt