Article ID: 310869 - View products that this article applies to.
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When you try to start Microsoft Windows XP after you use the parallel port to connect a Hewlett Packard (HP) ScanJet 4400 or 4470, the computer may stop responding during startup at a Critical Stop Error.
You may receive the following blue screen error message:
STOP: STOP 0x50 (0xfe9fb004, 0x00000000, 0xfdfbc695, 0x00000000) A fatal system error has occurred.
This issue occurs when HP scanners that do not have a Device ID ROM report an invalid Device ID string when they are queried for a Device ID. Because there is no validation of the device reported ID string length in the driver, the driver reads bytes from the device and overwrites kernel memory until the memory corruption causes the computer to stop responding.
To resolve this problem, obtain the latest service pack for Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322389/EN-US/ )How to Obtain the Latest Windows XP Service Pack
Hotfix informationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
File informationThe English version of this fix should have the following file attributes or later:
Date Time Version Size File name -------------------------------------------------------------- 18-Oct-2001 10:14 5.1.2600.16 898,048 Kernel32.dll
To work around this issue, connect the scanner to the Universal Serial Bus (USB) port on the computer.
For additional information about how to install your HP ScanJet scanner, browse to the following Hewlett Packard Web site:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows XP Service Pack 1.
For additional compatibility and support information for Hewlett Packard imaging devices used with Windows XP, browse to the following Hewlett Packard Web site:
http://www.hp.comMicrosoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.