i put windows 7 on my HP510 laptop over the summer, it needed an OS anyways. it has a 60GB hard drive, 2GB ram. recently as i start up my computer, after i log on, all i see is a black screen with windows 7 Evaluation copy build 7100 at the bottom right where it usually is. i can hit ctrl alt and delete and select task mgr and try to start the services and it say access is denied. i can hit new task and open up internet explorer. THIS PROBLEM ONLY HAPPENS ABOUT HALF OF THE TIME. i usually have to restart my computer about 5 times before i see any taskbar, icons, or background. it automatically downloads all updates and it is genuine from the microsoft website. Help?

thanks a million! you saved my life :DD

AND IF NONE OF THAT HELPS!,COPYIN EXPLORER.EXE TO A FLASHDRIVE FROM ANOTHER WINDOWS 7 PC AND USING TASK MANAGER TO BROWSE AND LOCATE IT ON UR FLASH DRIVE ON THE PC WITH THE PROBLEM AND RIGHT CLICK AND COPY AND PASTE IT TO C:\WINDOWS AND RESTART UR PC.......PROBLEM SOLVED

Bingo thanks its working for me... Thanks a lot