I had a working system with MSI KT4VL motherboard, Matrox G450 AGP dual head, running on Windows XP SP2 until a few days ago. Now whenever I reboot the G450 is disabled with 'code 10' status in Device Manager. I can get the G450 to work temorarily by re-installing the drivers (certified version 5.93.9.0) but on reboot the card is again disabled. I found some help here http://www.techspot.com/vb/topic60572.html so tried un-installing the G450 and running DriverCleaner and re-installing but the problem remains. Any suggestions?