Solved
I can't open PTC Mathcad Express
When I finished the installation of PTC Mathcad Express and got licence, it showed all blank like below

How can I solve this problem?
When I finished the installation of PTC Mathcad Express and got licence, it showed all blank like below

How can I solve this problem?
I guess you already tried to install the program a second time an got the same result.
I can't offer any specific help, but you may follow the steps given here
Especially step 3, calling PTC support.
It looks like a lot of people have different problems installing Prime 5.
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