memory usage problem

hoi

sometimes when i launch image-et, brink (cant even play brink lol) or some programs, i have an error message:
"memory cant be read 0x000000 blabla"

i googled and i only found that i have to set higher virtual memory etc, so i did it



but i still have that error message, cant find the solution @ google,

if you know how to fix please,

thanks

im +12 and wat is this




ps: inb4 format 8)