Fix Windows Defender 'Cannot Connect, Permission Denied' Error - Fix Chrome Token Expired Error: Step-by-Step Guide-Clear Windows Activation Cache

Updated 2026-06-18 08:33:39browser-issues
Fix Windows Defender 'Cannot Connect, Permission Denied' Error - Fix Chrome Token Expired Error: Step-by-Step Guide-Clear Windows Activation Cache
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.