Fix Chrome Sync Permission Denied Error - Fix Microsoft Store High CPU Usage & Error 0x80073cf0-FFmpeg Video and Audio Out of Sync: Practical Fixes

Updated 2026-06-13 21:27:13macos-help
Fix Chrome Sync Permission Denied Error - Fix Microsoft Store High CPU Usage & Error 0x80073cf0-FFmpeg Video and Audio Out of Sync: Practical Fixes
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.