
Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...
Software troubleshooting desk

If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

If Windows Security is blocking a trusted app, showing persistent warnings, or behaving oddly aft...

You open a file and see a message: 'Conflict version of [filename]' or two copies with 'conflict'...

You open Windows Search, type a file name, and instead of results you get an error: "Path not fou...

If the Microsoft Store won't open, shows blank pages, or gets stuck on downloads, a corrupted cac...

You open Outlook, click a folder, and see: "Cannot expand the folder. The set of folders cann...