Program ID already expired.

[FL_10009144]

Upon entering by license key i get the following message "Program ID already expired. For more help visit: http://www.ptc.com/olm/contacts.htm", I don't understand why the code doesn't work, am I required to delete Mathcad on my previous school PC before I've got access to use it on this PC? Please, I am in need of the program very soon.

[ppal]

Hi

Licenses are "tied" to the PC HOST ID. 

Refer to this post that may have solutions for you on how to transfer licences. 

https://community.ptc.com/t5/PTC-Mathcad-Installation/Migrate-Prime-4-and-MathCAD-15-to-new-computer/m-p/793436

https://community.ptc.com/t5/PTC-Mathcad-Tips/Transferring-Mathcad-Single-User-or-Student-license-from-an/m-p/788338#M1600

[VladimirN]

What version of Mathcad are you using?