Bella for Rhino

yes i have done that already and here is the message:
----- Summary -----
Unable to fix RhiExec on your computer. Please send this log to support@mcneel.com for help.

RhiFix.exe version 6.0.6726.16913 starting…

------Details------

  • Detecting Rhino Installer Engine Executable … not found.
  • Detecting Rhino.InstallerPackage registry key in HKLM … not found.
  • Detecting .rhi registry key in HKLM … found.
  • Detecting Computed .rhi File Association … not found.
  • Detecting User .rhi File Association (Windows 7) … not found.
  • Detecting User .rhi File Association (Windows 10) … found.
  • Detecting 32-bit Rhino 5 … not found.
  • Detecting 64-bit Rhino 5 … not found.
  • Detecting Rhino 6 … 6.26.20147.06511
  • Detecting Rhino 7 … not found.
  • Detecting File association mismatch … found.
  • Fixing Rhino.InstallerPackage registry key in HKLM … failed.
  • Fixing .rhi registry key in HKLM … succeeded.
  • Fixing User .rhi File Association (Windows 10) … succeeded.
  • Fixing File association mismatch … failed.

----- Data -----

  • rhi_system_extension_registry_key_found = True
  • rhi_system_extension_registry_class = Rhino.InstallerPackage
  • rhi_file_association_exists = False
  • rhi_file_association = C:\Program Files\Rhino 6\System\Rhino.exe
  • user_file_assication_progid = Applications\Rhino.exe
  • fix:delete_user_choice_key = True
  • v6_install_path = C:\Program Files\Rhino 6\
  • v6_version = 6.26.20147.06511
  • newest_rhino_version = 6.26.20147.06511
  • v6_install_path_exists = True
  • repaired:delete_user_choice_key = True

now once i click on the file it open a wondows with:
the file does not have an app associated with it to perform the action. install an app or, if it is already installed, create an association on the app’s default settings page