Excessive memory usage in Win 8.1

 Hello,

 

Has anyone else seen this problem in Win 8.1? I have 6 GB of memory and prior to upgrading from Win 8 I had 5.45 GB usable memory after Windows loaded. After upgrading I only have 3.45 GB usable memory.. I've lost 2 GB for some unknown reason. I know this isn't a Norton problem.

 

Thanks for any input.

 

Regards,