How to Fix OneDrive High CPU Usage on Startup - Fix '7-Zip Cannot Open File as Archive' Error-Valid File but 7-Zip Says Cannot Open as Archive

Updated 2026-06-13 23:06:46macos-help
How to Fix OneDrive High CPU Usage on Startup - Fix '7-Zip Cannot Open File as Archive' Error-Valid File but 7-Zip Says Cannot Open as Archive
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.