Ok, this is getting ridiculous. I posted here last week, and have since tried a number of things. Background first. This computer worked perfectly prior to a motherboard/cpu upgrade done a little over a week ago. That's ALL that was swapped. I replaced an ASUS P2BF motherboard and PIII 500 cpu with an ASUS P3v4x motherboard and PIII 667 cpu. My Video card is a Guillemot Maxi Gamer Cougar (Nvidia TNT chipset) and I have tried both the manufacturer's newest drivers and the generic Detonator 2 drivers. I've also swapped the card for another of the same. The sound card is a Creative Labs Soundblaster Live. I have removed the card completely from the system and still gotten the errors. The network card was a Realtek 8139 that I swapped for an Intel Pro 10/100. I've swapped my PC100 128MB DIMM module, tried two different P3V4X motherboards and replaced the PIII 667 with the old PIII 500 chip. I've deltreed windows and reloaded twice, loading only windows, drivers, and Everquest as it is the only program that I can reproduce the error. I usually cannot log in and back out more than two or three times without getting an Fatal Exception VXD in VMM(01) or VCACHE. I have two case fans in the box. I've tried manual and auto settings on the cpu's. I also get either illegal operations or fatal exceptions while in explorer although it is totally random. The illegal operations have varied from Browseui.dll, krnl32.dll, iexplorer.dll, etc. I have never gotten an error while actually in everquest, only while login in and out, usually while syncing from one screen to another (still leads me to suspect video although I don't know what could be causing it). Well, that's about all the pertinent information I can think of. If anyone has any suggestions, I'd appreciate it. I used to be a self employed computer tech before this system came along. Now I think I'll go take up massage therapy. Sthyle

I found a reference on another site to a VXD VMM(01) error. It was directly mainly at AMD Processors but you may want to give the following a try. "If you encounter problems installing or running Windows 98 on your computer try disabling the external cache through your system bios setup."

Hi, I would use strip-down approach. Just leave bare minimum required devices for the installation, ie. hard-disk, video-card, and nothing else. Do a clean installation, Primary. boot partition: - 2047MB for win98 Extended data partition: - 200MB for win98 CD / cabs files + SETUP.exe only - 250MB for swap files - whatever left for data. Start with WIN98 CD, partitions as above (FAT32), format all, copy win98 CD to HDD (win98 directory, and SETUP.exe to root). Then run SETUP from the HDD. Once completed change the 'File System' to 'Network Server', set MIN/MAX of virtual to a fixed size and change to the drive allocated above (blank the original size). Before each attempt of adding a new device, run 'scanreg /backup' at DOS command line. Test thoughrough before adding next. If error occurs, restore to previous registry using 'scanreg /restore'. Don't forget that not all the latest drives are better then the old ones. Some are more buggy than the last, the same goes with MS components, especially DIRECTX. Sorry to hear that you're an IT ex-tech.

Posted and similar error several months back. I would get a VGA.VXG error when booting. I wouldn't even boot into Windows. I'd just get the error and the only option was to reboot... Did some serious head scratching and fortunately my good old Mac was still working so I could access the internet. I noticed you have a NVidia TNT2. See the forum for message 2264,it has gobs to say about the TNT2. You're going to kill me, but I can't remember EXACTLY what I did to fix the problem, except that I installed a plain jane video card and everything would work, I put the Viper 770 (NVidia TNT2) back in and the problem was back. I finally resolved it but I can't remember how. My belabored point is swap out the video card (borrow someone's old one) and see if the problem goes away. I'll bet you a million bucks its that stupid video card.

Now I remember... I had also done a motherboard swap, sort of. I had put my motherboard into a new case. What it turned out to be was the back of the board wasn't fitting properly into the chassis and the back of the board was shorting out against the brace that the motherboard was attached to. I put a longer standoff on the board and put a couple of pieces of electrical tape where I thought it might be shorting out.

WHAT IS WITH THESE PEOPLE?...IT ISNT THE DAMN HARDWARE...IT IS THE COOLING OF THE UNIT ITSELF....ASK THE TECH WHO INSTALLED THE UNITS TO INSTALL EXTRA COOLING FANS OR TO UNDERCLOCK YOUR PROCESSOR. DUE TO THE SUMMER HEAT MIXED WITH POORLY VENTILATED CASES, THE FANS ARE PUTTING OUT MORE WORK THAN NECESSARY. WHEN ONE FAN ISNT ENOUGH, THE COMPUTER CANT PERFORM ITS NECESSARY FUNCITONS DUE TO THE CHIP OVERHEATING BEYOND ITS NORMAL CAPACITY. CHECK THE FANS ON THE CPU..CHECK THE VOLTAGE LEVEL ON THE MB...IF YOU ARE OVERCLOCKING, MAKE SURE YOU HAVE PLENTY OF COOLING SOLUTIONS IN YOUR CASE AND IF ALL FAILS....USE DYNAMITE...OR SIMPLY PISS ON IT

Wong method is probably the best... Also change settings in Bios "setup default" Install windoze with no drivers( for Display)just use Vga and run a couple of times... Start and restart....See what it does....