Steen,
Are you attempting a network installation of the software? If so, there is an article on the knowledge base that will guide you. Please visit the knowledge base at www.prometheankb.com, select your region/language, in the search box type in KBM134, the title of the article is ActivInspire Network Installation Guide. Another article that may help is 10363, the title of that article is How do I create a network version of ActivInspire/ActivDriver5? (case# 260936)
Thanks!