Better to get a perfect Clean Reinstall - Factory OEM Windows 7
following the best practices we've learned here since before Windows 7 release which have helped countless thousands of users.
If you'll stick with these methods for install and maintaining your OS you'll not have to worry about conceding one half of your laptop to bloatware, 3rd party corruption, etc. Just keep it lean and clean.
By keeping a Clean Boot as we prescribe in the reinstall tutorial or the steps to Clean Up Factory Bloatware
on your current install, the freeloaders which can slow gaming or cause issues won't be let in to begin with.