Fix OneDrive Sync Permission Denied & 504 Gateway Timeout - Microsoft Teams High CPU on Mac: Troubleshooting Guide-Fix Windows Security Memory Leak for Better Performance

Updated 2026-06-14 15:36:20cloud-software
Fix OneDrive Sync Permission Denied & 504 Gateway Timeout - Microsoft Teams High CPU on Mac: Troubleshooting Guide-Fix Windows Security Memory Leak for Better Performance
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.