problem oninstalling of ge complicity machine edition

[lmqvip]

Hello,
I'm still pretty new at working with GE PLC.
herei decide to start with asking just one question firstly.
someone here can help out with this .

i try to install the CIMPLICITY MACHINE EDITION 4 DAYS EXPIRY VERSION,
every four days i have to uninstall and reinstall,.......................
but today i found when i reinstall the program again.
it told that some files are failed to register.

here is the image;