KB971128

On a computer that is running Windows Server 2008 or Windows Vista, the system generates one of the following stop error codes and then restarts:

0x0000007F (UNEXPECTED_KERNEL_MODE_TRAP)
0x0000008E (KERNEL_MODE_EXCEPTION_NOT_HANDLED)

This problem typically occurs when multiple third-party network drivers are installed on the computer. For example, this problem may occur when the following drivers are installed:

  • VPN client drivers
  • Firewall drivers
  • Modem/ISDN drivers
  • Other network security filter drivers

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