Mathcad 15.0 evaluation immediatelly crashes after running

Dears,

Mathcad 15.0 evaluation immediatelly crashes after running. Do youhave any idea how to run it?

I attempt to grab callstack of crashing application:

> ntdll.dll!7c90e514()

ntdll.dll!7c90df4a()

kernel32.dll!7c8648a2()

kernel32.dll!7c8646dc()

kernel32.dll!7c864702()

kernel32.dll!7c86479a()

mscorwks.dll!79ec9be6()

mscorwks.dll!79ec9a3e()

msvcr90.dll!78557256()

ntdll.dll!7c91005d()

mscorwks.dll!79e7a186()

mscorwks.dll!79e7a1a2()

mscorwks.dll!79e7a1a2()

ntdll.dll!7c9100b8()

ntdll.dll!7c910041()

msvcr90.dll!7858cc0c()

msvcr90.dll!78557256()

mscorwks.dll!79ec9c26()

mscorwks.dll!79ec5a63()

ntdll.dll!7c91005d()

mscorwks.dll!79e7a186()

mscorwks.dll!79e7a1a2()

mscorwks.dll!79e7a1a2()

mscorwks.dll!79ec62c5()

msvcr90.dll!78557256()

mscorwks.dll!79ec5a63()

mscorwks.dll!79ec5a63()

mscorwks.dll!79ec5a81()

mscorwks.dll!79ec5a81()

mscorwks.dll!79ec5a9f()

mscorwks.dll!79ec5b1b()

mscorwks.dll!79ec5b1b()

mscorwks.dll!79ec5b39()

mscorwks.dll!79e8b51c()

mscorwks.dll!79e81228()

mscorwks.dll!79e8123d()

mscorwks.dll!79e81228()

mscorwks.dll!79e8123d()

kernel32.dll!7c84c014()

kernel32.dll!7c809e15()

ntdll.dll!7c90d80a()

ntdll.dll!7c913416()

msvcr90.dll!78543670()

msvcr90.dll!7858cc9d()

msvcr90.dll!78557256()

mcdwppaddon.dll!0b14c65c()

kernel32.dll!7c80be86()

mcdwppaddon.dll!0b14c627()

best regards

J.Fojtik