Half-Life 2 Memory Error

Archived from groups: alt.games.half-life (More info?)

I have installed Half life 2 on a PC I have recently reformatted and loaded
Windows XP SP2.

However the game reports an error during start-up.

Half-Life 2:HL2.EXE-Application error.
The instruction at "0x012a3490" referenced memory at "0x012a3490". The
memory could not be "read"

It did work before on the same PC Windows set-up.

I have downloaded the lates Graphics, Sound and Direct Xdrivers.
I have used diagnostic software and established there is not a fault with
the memory itself.
I have also played with refresh and acceleration.

Windows XP
Athlon 3000 64bit
Geforce 4 Ti 4600
SB Live soundcard
512 MB DDR memory

If anybody has encountered this problem and resolved it I would be grateful
for any advice.

Thankyou,
Malcolm Cane