please help me.i have an unique and irritating problem.the other day i was just browsing some site and suddenly the xp blue screen sprang up it said driver_irql_not_less_or_equal starting memory dump ndis.sys the same problem has occurred nearly 10 times since yesterday.i am really vexed.i have touchtle adsl i have a XAVI 7005Q USB Modem. is this problem due to conflict of the adsl modem driver.i have the latest drivers for the nvidia chipset.please help me. i have win 98 se and internet is fine on win98. winxp is fine as long as i am not connected to internet. when i m in net for quite a while. then the BSOD comes. and i have to restart PLEASE HELP!!!!!!!!!!! my sys-configs are AMD AthlonXP 2000+ 256 MB DDR Hynix RAM 40+20 GB Samsung HDDS USB ADSL Modem ASUS A7N266-VM Motherboard Windows XP SP1.