There's a technote on it here. <BR><BR>The only "fix" is to update the BIOS. IF the vendor has addressed it. Most have, at least for their newer boards. ••• ...

Fix The exception unknown software exception (0xc0000409) occured in the application at location 0x00994d78 by following these suggestions.

This BIOS message has popped up after I installed a PCI Matrox G450 Video card. I already have an existing video card, an AGP Geforce3. Now whenever I boot ...