Event Viewer, at times, shows that the ACPI BIOS is trying to write to an illegal PCI operation region. The Event ID 10 does not always crash your system, but it signals a firmware or driver flaw that ...

The first easy step is to reset the CMOS and see if it helps you boot into Windows. To reset or clear CMOS, follow these steps: Force shut down your computer by pressing and holding the power button.

I had this problem with an Abit KT7, upgraded mobo and it was fixed. In my case it was causing random BSOD's, you're lucky to just get the event. I had to "downgrade" from ACPI PC to Standard PC as a ...