Wow, this is one of the most problematic systems I've ever seen in my life, and we're talking over 10,000 machines I've fixed since Windows 7 beta!
1) First, you need to do a Windows Update and install the latest patches. You have some funky version of Windows, super-rare.
2) You have the worst software known to man of your pc, Norton/Symantec. Honestly. It is responsible for issues like you couldn't believe.
Uninstall it in safe mode using the tool found here:
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Not only that, you have another antivirus on the machine. 2 or more always cause issues and should never be installed together under any circumstances. Remove Avast! in safe mode also, with this tool:
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Reboot.
Wow...