Edit - Preferences - Memory and image high number cache - Memory usage - Modify to 100% if and 40 can not be possible for the following three reasons, 1: the picture is too large, want to do HD picture size is too large, or resolution is too high; 2: Open too many pictures, want to batch processing pictures, but it is recommended that you open one by one so that it will be better; 3: Other programs temporarily use too much memory, too much program open; Solution: Download optimization master sorting memory, and your virtual memory is not big I get virtual memory is 10G, but the general virtual memory set to 2G or more is no problem?
How much is the physical memory, it is recommended to be more than 4G. After opening PS software, press CTRL K to enter the general Settings, you can set the temporary disk to other disks, you can select several temporary disks. Virtual memory can be set larger.