memory problem!

I just got garrys mod and whenever i try to open it is comes up with a window saying:

The instruction at “0x00010109” referenced memory at “0x09e31484”. The memory could not be “written”.
Click OK to terminate the program

anyone help plz?
real keen to play

Might want to check this:

There can be many reasons for these crashes, you might want to search around.

Two things I can suggest is to close all back ground applications, specially your firewall and antivirus, and make you that you’ve enough memory to launch the game.