Dynamic Link Error Message
Posted on 1997-07-24
I have a problem with my Win95 configuration that has resulted in some severe down time and serious crashes.
I have been forced to leave my computer running 24 hrs a day so as not to bring up the glitch almost every time I start the thing. On those occasions I turn my computer off and then restart it, I am almost always presented with a blue screen that gives me the following message:
Invalid VxD dynamic link call from NWREDIR(04) +000000D0 to device "0487", service 6
I can eventually get my system running again (after numerous reboots, configuring the registry in Safe Mode, or sometimes copying my good backup DAT files from their safe directory over the screwed-up ones in Windows) but I would like to know what's causing the error message in the first place. Ironically, I rarely see this blue screen message when I reboot from a lock-up or crash. It almost always occurs when booting clean after a normal shutdown.
I have a suspicion that my problem is related to my video card (a Sierra Screamin' 3D accelerator card with a Rendition Verite chipset and 4MB of EDO DRAM) because the problems seemed to start when I put it in in place of my old 1MB S3 PCI card. I have upgraded the card's BIOS to the latest version on Sierra's website and am using the latest available drivers for it. If it's causing the problem I'm at a loss to understand why.
What's causing this ongoing error?
My system specs:
Pentium 133 (Intel), Award BIOS version 4.51 PG, 32MB EDO RAM, Sierra Screamin' 3D Video Card w/4MB EDO DRAM