Page 1 of PC PANASONIC DVD ROM

I have installed a panasonic dvd rom into my pc , It came with the latest version of power dvd. i have tried dvd genie and region killer but i can`t get it to disable the region coding so that i can play all regions. I can only play other regions if i de install then re install the software and only play the film what ever region before it locks onto the film region i`m playing . can someone help.

Thanks in advance