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		| Malwarebytes will crash my system about 75% of the time. I don't know what the deal is, but it used to be my favorite anti-virus program. Maybe it's not Windows 7 friendly or something | 
	
 
Ok  Windows 7 has a lock down more on software like Malwarebytes. That is why your system may lock up or be slow. 
Windows 7  you need only the Windows essentials. and ccleaner. 
It works good on Windows XP because it is really no longer supported.
I am using windows 8, windows 7 and I use Apple Lion in a virtual format on my laptop. 
A friend of mine runs all the above software live on one laptop in different Windows.
As with Windows 8 and Office 13  I love them but you have the best fun with them if you are running the software with a touchscreen capable desktop. 
I am hopefully getting a Windows 8 tablet to test soon. Looking forward to it.
Also much love to the Google Nexus (7) it is the best reader.