1. Home
  2. Docs
  3. LunchBox Documentation
  4. Troubleshooting
  5. INSTALLATION – I installed LunchBox, but it isn’t appearing in Grasshopper.

INSTALLATION – I installed LunchBox, but it isn’t appearing in Grasshopper.

There are a couple of potential problems – please check each of the scenarios below to see if they apply to your case. If these solutions don’t resolve the issue, email us at apps@provingground.io for assistance.

Problem

  • If you had a previous version of LunchBox and recently installed the LunchBox update, you may be experiencing a conflict a previous installation through the Rhino Package Manager.
  • This applies to installations which used the Click Once installer or ZIP download from the Proving Ground Website.

Solution

  • In Rhino 7, use the command “PackageManager” to launch the manager window.
  • Navigate to the “Installed” tab.
  • Select LunchBox from the list of packages.
  • Select “Uninstall”, and then confirm “Uninstall” in the pop up window.
  • Restart Rhino for the changes to take effect.
Package Manager example, showing a previous version of LunchBox is installed.
Confirm “Uninstall”

Problem

  • The LunchBox component files may have been blocked by Windows.

Solution

  • Preferred: If you are installing LunchBox using the manual ZIP folder download, check the ZIP folder properties and verify the file is “Unblocked” prior to unzipping and copying over the files.
  • Option 1: Navigate to the LunchBox folder within your Grasshopper Components folder, typically located here: “%APPDATA%\Roaming\Grasshopper\Libraries\LunchBox”. Unblock each file within the folder by individually right-clicking on the file name, selecting Properties, and checking the “Unblock” function.
  • Option 2: Ask your IT administration professional to run the following PowerShell script, editing the file path to the correct directory if needed.
    • get-childitem -Recurse “$env:AppData\Roaming\Grasshopper\Libraries\LunchBox” | unblock-file
Example Properties menu with the option to Unblock the file.

How can we help?