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#11
What computer whiz? You are at the top site for help already.
Install, update and run a full scan with Malwarebytes.
Then uninstall Norton and install Microsoft Security Essentials, update and run a Full scan.
Next run SFC -SCANNOW Command to check if system files are damaged, report back.
If not work through these steps to Clean Up Factory Bloatware in particular establish a Clean Boot, and check the System Resources for solutions to any problems cued.
By now you'll know if you're good or you want to consider the vastly superior Clean Reinstall - Factory OEM Windows 7. We will help you get a perfect reinstall, better than 90% of consumers will ever have.