記憶體問題

may due to some regsitry errors in your PC

clean the registry and better do defragment as well.

There are some softwares may be useful,

1) easy cleaner or 2) Registry Mechanic

http://www.snapfiles.com/downloadfind.php?action=s&st=clean+registry

P.s. create an restore point first before you do the regsitry cleaning process

all the best and good luck.