-151 / -152 error

updated 03.22.2017

“There was a problem communicating with the activation background process. Please reinstall the product. (-151)” (Mac only)

Please refer to this support article (updated 03.22.2017) regarding this error message.

Versions prior to version 10 are no longer supported, but the above link will walk you through the process to receive a free upgrade to version 10.