Windows 8 RTM does not looks like a completely stable version. I had faced a number of issue on the same. It might be due to my system hardware, but Windows 7 use to work great on it. I had started with Windows 8 Consumer Preview. It worked fine but there were certain theming bugs, slow issues and laggy screen. After upgrading that to Windows 8 RTM things went on like before. The screen is laggy and there are number of things that appear automatically after deleting. The lock screen takes quiet a long time to display the home screen back.
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