Uninstall Enpoint security?

Hi all,

I have a laptop with HDD 750GB. This laptop already install by enpoint security for encryt the HDD. how to uninstall enpoint security?

i already try to uninstall by going to add and remove program. After that endpoint security going to process decrypt the HDD but the process of decrypt never be completed. I leave it to decrypt in 2 days but the progress still in 0%. i don't know the decrypt it was work or not.

any advice?

please help me....!!!!!!

:(