How to Fix High Memory Usage by cmd.exe - Fix ERR_TUNNEL_CONNECTION_FAILED in Chrome on Mac-Troubleshooting Windows Security Authentication Error 0x80070035

Updated 2026-06-19 01:31:26backup-recovery
How to Fix High Memory Usage by cmd.exe - Fix ERR_TUNNEL_CONNECTION_FAILED in Chrome on Mac-Troubleshooting Windows Security Authentication Error 0x80070035
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.