I'm new to this newsgroup, but I hope someone out there can answer a perplexing question for me. Yesterday I installed a D-Link DWL 520+ wireless PCI network adapter card in my IBM NetVista desktop. It's a type 2292, model 35U running Windows XP Home Edition. After a bit of fiddling, the card connected to my network and works just great. Everything else about the machine seems to work perfectly also...EXCEPT. Yes, always the "except". Whenever the wireless network connection is enabled in Windows and the adapter card is in place, the computer will not turn off after Windows closes. Instead I get the following blue screen message: Hardware Malfunction; Call your hardware vendor for support; NMI:Parity Check/Memory Parity Error; The system has halted. At that point I have to hold the power button in for several seconds before the computer actually turns off. I've contacted D-Link about this, but I've received no reply regarding this abnormal shut-down. Any ideas??? Thanks.