Windows 7 freezes on the login screen

I recently encountered a problem on the login screen. When I start my laptop, everything freezes. If I boot in safe mode network, it does the same thing. However, the command-line safe mode and normal safe mode works very well. This isn't a hardware problem. I tried a restore of the system to a date privious, repair with the DVD system. I'm a little lost, it might be something that is broken or the registry. Is there something I could be on?

Hi all

I was finally able to get the problem resolved. The system has been infected with a rootkit. I had to install and run ComboFix in safe mode.
I you all again once thank for your help. It really helps to better solve the problems.

Tags: Windows

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