A moment ago installed windows 7 ultimate on my desktop PC and soon after that windows 7 media player turned into unresponsive. I snap the icon and have moved out to the file straightly and the player begins to unwrap, but then suspends and is non-reactive. The barely choice I enclose is to shut by the use of Windows task manager. I have done several things in my PC. I have re-installed the entire windows Media player once again including all of its components. Turned off the security software and also the firewall but nothing going too worked at all. There are no network drives connected to the WMP. Among 10 tries I only able to open it completely at once, But unable to close it. I still not able to find out what is causing this even though both OS and WMP12 are the brand new versions. Please help me to resolve this problem.