Solved
I tried a couple of *.mcd and *.xmcd files. In one case a red "Keine Lizent" appeared, no other resonses. But no new file was created, neither in the original folder nor in any other folder. The issue was even described earlier. The found "solution" was finalised with the recommendation to contact the support. But it is not possible to open a support case (probabaly due to the trial version), although I have an old user account.
I assume that Prime itself 'works', in the sense that you can start a new worksheet and enter expressions....
Do you have a diagonal banner across the worksheet and/or, if you type on the worksheet:
mean(1=
is the result?:
an error message, then you do not have an active (trial) license.
If you get this:
a numeric result, then you have an active (trial) license, and the converter, if installed(!), should work.
To get an active trial license, go to the main menu ( see below, arrow 1) and select options.
Then, on the license tab of the pop-up select "Get License" (arrow 2)

And follow the directions to get your trial license.
Success!
Luc
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.

