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My Compiled App Fails to Run on macOS 11
Platform: Macintosh Versions: 5.5

Problem Description

After upgrading to macOS 11, I receive an error when trying to launch a compiled application.

Solution

Note: please follow the instructions below exactly. Do not attempt to copy the folders in the ZIP archive to the installation as that might lead to a invalid installation.

  • In the Finder, navigate to the directory /Applications/COMSOL55/Runtime.
  • In that directory, verify that you have a directory called 5.5.0.359
  • Right-click on comsol55_runtime_hotfix_for_big_sur.zip (see the link below) and select Download Linked File.
  • Launch the Terminal Application.
  • Connect to your installation directory, for example, /Applications/COMSOL55/Runtime/5.5.0.359:
    cd /Applications/COMSOL55/Runtime/5.5.0.359
  • Extract the downloaded file:
    unzip {download path}/comsol55_runtime_hotfix_for_big_sur.zip
    In response to the prompt to Replace files, type A and press return. (If you do not get a prompt about replacing files, it is likely that you connected to the wrong directory.)

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