hl2 c/s error

[scagger]

can anyone help me here half life2 and c/s keep on freezing and locking up my machine it can happen after 5 minutes or 10 at any time i get an error message hl2 exe has encountered an problem, all steam updates are are up to date

thanks for any help or solution

 

[UltimaApocalypse]

What are your system specifications?

 

[scagger]

running on
fujitsu amillo laptop
amd 64bit 4000
1 gig ram
ati x700 graphics
100 gig harddrive
xp home sp2
onbooard sound
via chipset
i have all the latest drivers installed
thanks