What does the out of memory mean?

Windows 7 System:

1. Enter the command line: Click the Start menu-> enter "cmd" in the Search box, press CTRL + SHIFT + RETURN (command line's * member mode)

2. Input command: Bcdedit/set Increaseuserva 3,072 return car

3. Reboot the system.

　　XP System:

1. Remove the boot file read-only properties: Start-> Run input "attrib c:boot.ini-h-r-s" carriage return

2. Edit Boot file: Start-> Run Input "C:boot.ini" enter, in a similar "multi (0) disk (0) rdisk (0) partition (1) windows=" Microsoft WINDOWS XP Professional "/noexecute=optin/fastdetect" This line finally adds "/3GB" to save.

3. Restore boot file read-only properties: Start-> Run input "attrib C:boot.ini +h +r +s" Enter

4. Reboot the system.