Mathcad 15 trial setup

[JM_9872042]

I've got problem with my free trial, in Mathcad License Setup, while login this alert comes up:
"Section=ResponseHeader Detail=PO

[VipulT]

Hi @JM_9872042

Please follow the below link 

https://community.ptc.com/t5/PTC-Mathcad-Installation/Error-quot-The-server-committed-a-protocol-violation-Section/m-p/706423#M24

Thanks,

Vipul