Solved! Go to Solution.
Here (https://community.ptc.com/t5/Mathcad-Installation/Step-by-Step-Installation-Procedure-for-Mathcad-Prime-8-0/td-p/789358 ) is the process for Prime 8, it should not be (much)_ different for Prime 9.
Take notice of one important fact:
"execute/run pim_installmgr_mathcad.exe, run as an Administrator."
Success!
Luc
Here (https://community.ptc.com/t5/Mathcad-Installation/Step-by-Step-Installation-Procedure-for-Mathcad-Prime-8-0/td-p/789358 ) is the process for Prime 8, it should not be (much)_ different for Prime 9.
Take notice of one important fact:
"execute/run pim_installmgr_mathcad.exe, run as an Administrator."
Success!
Luc