Symptoms
When you connect a scanner or a digital camera to a computer that is running Windows Vista or Windows XP Service Pack 2 (SP2), Windows Vista or Windows XP may crash. Additionally, you may receive the following error message:
BAD_POOL_HEADER STOP: 0x00000019 (0x00000022, 0x00000000, 0x00000000, 0x00000000)
This problem occurs when the scanner or the digital camera loads the Serial Scanner driver (Serscan.sys).
Note The device may load the Serial Scanner driver if it is connected by using a network or by using a Bluetooth transceiver.
This problem may occur when you are performing a stress test that involves the Serscan.sys file, such as the test that is performed by the Driver Test Manager.
Resolution
Windows Vista
To resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base: -
935791
How to obtain the latest Windows Vista service pack
This problem was first corrected in Windows Vista Service Pack 1.
Windows XP
To resolve this problem, obtain hotfix 927436. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
927436 Error message when you attach a device that loads the Serscan.sys driver to a computer that is running Windows XP S or Windows Server 2003: "DRIVER_VERIFIER_IOMANAGER_VIOLATION (c9)"
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
