Am still having this issue so i pretty much looked into it abit and this is really werid.
When am installing GTA V it's using almost 100% of my 16GB usage so when i close that program the usage will just switch to skype or something else am really lost i have no idea what to do.
System.
Windows 10 pro
GPU: AMD R9 280X
CPU AMD FX 8350 4.2Ghz
16GB of hyper x ram