Here are the most common errors and the steps you can follow if you find them:

• '... is damaged'

• '...needs to be updated'

• '... is damaged and can't be opened'

• The app won't open

Starting on Catalina 10.15, macOS discontinued 32-bit compatibility. Receiving one of these messages means the application is incompatible with your Operating System. To find the version you have installed, check this Apple support article:
Find out which macOS your Mac is using – Apple Support (UK)

Please contact your local Cambridge sales representative asking for a different way to access your materials on Mac.

• '...quit unexpectedly' (on Test Generator)

1. Click 'Report...'

2. If 'CAMBRIDGEMAC' is next to 'Process', contact us with the following information:

• Material affected
• Error message
• A video with the steps followed

• If the error is not listed above, or you need further assistance

Please contact us with a brief description of the issue and the following information:

• Material affected
• Error message
• A video with the steps followed
• Operating System version. To find it, you can follow the steps on this link:
  Find out which macOS your Mac is using – Apple Support (UK)