How to Fix 'Remote Desktop Module Missing mstscax.dll' Error - Fix Microsoft Store 502 Bad Gateway by Clearing Cache-Fix OneDrive 502 Bad Gateway: Sync Configuration Steps

Updated 2026-06-13 23:25:20cloud-software
How to Fix 'Remote Desktop Module Missing mstscax.dll' Error - Fix Microsoft Store 502 Bad Gateway by Clearing Cache-Fix OneDrive 502 Bad Gateway: Sync Configuration Steps
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.