hi fellows, i have installed windows 7 ultimate on my dell inspiron e1505 & i have been using it since few months.... but all of a sudden, since morning whenever i try to switch on to windows 7, it boots normally & stops at please wait screen & goes blank then again please wait screen comes & again it goes blank then again please wait screen.... this continues forever.... i have ubuntu on other partition. henece i am saved of important document loss... thank god... but i tried repairing the computer & system restore & all other steps. but to my bad luck, there is no good news for me.... i wanna know why its happening like this & whats the solution ??? i installed the uxtheme patcher yesterday thats all. no new software installation & no new hardware installation also i swear.... but why this error ???? anyone knows the solution for this problem ???? anyone faed with this kind of strange situation ????