memory error solve please!!!

[Aone]

"The instuction at 0*00353356 referenced memory at 0*0d47a000 the memory could not be written"
what type of error is this?
is this the software error like application or an OS error?
or is it hardware error?
i got this error while playing mafia pc game..
pls threw light on this ...

 

[rohus24]

afaik u hve less memory
i 2 got da same error when playin half life 2

 

[ravi_9793]

Is there any external drive (pen drive,mp3) attach to ur system.These is common error.Do disk clean up..and disk defragment.