Please could you advise what version of MAC OS you are using?
Also, please could you confirm what version of ActivInspire you are trying to install?
Please follow article 10418 on http://www.PrometheanKB.com for help on downloading and Installing ActivInspire.
If you have any further issues please let us know.
Apologies, please refer to article 10416 on http://www.PrometheanKB.com