Activation failed, unknown error occurred (file corrupted) on macOS

1. First, make sure to unlock the ~/Library folder.

2. Then, navigate to the following folder on your Mac:

/Users/<USER>/Library/Application Support/Visicom Media/ManyCam/

3. Check that the “licenses” folder is located there. If it’s missing, manually create the “licenses” folder inside the ManyCam folder.

4. Once done, restart ManyCam and try activating it again.