Dear Mr Snrub, Thank you for your all reply sir.... So i must uninstall ZoneLabs or discuss with ZA Forum? Virtual memory and running process summary shows no particular issue: Ok thanks Did you have a problem with Warcraft 3? There are 2 processes war3.exe, one has an elapsed time of ~4 days and has 0 handles, implying the process did not close properly - the second instance has been running ~18 hours: Yes, Mostly im got BSOD when i played Warcarft 3(DOTA) But i already install latest VGA driver but still same You also have VMWare installed, so it might be these 2 products (Zone Labs and VMWare) not playing nicely: Onboard Marvell Yukon NIC driver seems pretty recent: So, i must uninstall this software? or update latest version? Depending on how consistent the dumps are (always have the same stack or the same drivers in the stack, same bugcheck code, etc.) this could be a RAM fault as it's nonpaged pool (resident in physical memory), but I would be more inclined to believe a driver fault. I would go down the route of either uninstalling VMWare to see if the problem goes away, or the Zone Labs software so long as you are behind a NAT router. Or wait until the next dump is produced and we can check for consistency (i.e. always network-related activity on the crashing thread stack). A few hours testing overnight with memtest86 would not be a bad idea either. Mr. Snurb... do you think my memory got error? If yes maybe i must buy new one? SOrry if my language english to bad Thank gOber