Library is not registered

[Al-hamraHuq]

when I tried to do a simple calculation such as 15-8/104.5 = my Mathcad 14 program generates an error called Library is not registered. Could you help with the issue. I running MathCAD 14 on Windows 7 x64bit OS. Regards, AL

[RichardJ]

Which version of 14? Richard

[ptc-5307918]

I found the solution to this problem:

Solution:

Go to the Start menu - and open the run command box

Type mathcad /register and then hit enter, the hour glass should appear only for a moment

Launch Mathcad