1/ try to run AS2012 as administrator 2/ if it doesn't work, reinstall (repair) .NET 4.0 framework after downloading it from MS site 3/ restart Win7 and then still run AS2012 as admnistrator. That's what I did. And it worked.

THX Stephan. Good news. I'm very happy with my new aquaero 5 PRO I recently purchased from Aquatuning but I'd appreciate getting the right aqusuite version to handle my aquaero 5. How could it be possible to get informed when the new software is ready? Kind regards, Alain.