Singhz

Hello,
i am using windows xp home edition.i have download the trail version of deep freezer 6.41 .the problem is that i am not able to remove it from my pc .normal mode it ask me that system is boot thrawn mode mode actually its working.i have used deep freezer uninstall tool it say like normal program has been uninstall and pc restarts then again it shows the cross sign on the deep freezer and bootthrawn mode boot when i install or de install any program or application then it remove like its activated idont know why second thing is i am not able to chage its password
can anybody help me.......