"Stop 0xB8 ATTEMPTED_SWITCH_FROM_DPC" Error Message When You Use a Parallel Port Zip Drive

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This article was previously published under Q281428

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SYMPTOMS

When your computer tries to access a parallel port Iomega Zip drive, you may receive the following error message on a blue screen:

STOP: 0x000000B8 (0x00000000,0x00000000,0x00000000,0x00000000)
ATTEMPTED_SWITCH_FROM_DPC address 0xf729a248 in ppa.sys

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CAUSE

This behavior occurs because there is a problem in the Ppa.sys and Ppa3.sys files.

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RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 (http://support.microsoft.com/kb/260910/EN-US/ ) How to Obtain the Latest Windows 2000 Service Pack

The English-language version of this fix should have the following file attributes or later:

   Date        Time    Version        Size    File name
   ----------------------------------------------------
   12/11/2000  05:04p  5.0.2195.3066  17,520  Ppa.sys
   12/11/2000  05:04p  5.0.2195.3066  16,048  Ppa3.sys

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STATUS

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 2000 Service Pack 3.

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MORE INFORMATION

For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:

265173 (http://support.microsoft.com/kb/265173/EN-US/ ) The Datacenter Program and Windows 2000 Datacenter Server Product

For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:

296861 (http://support.microsoft.com/kb/296861/EN-US/ ) Use QChain.exe to Install Multiple Hotfixes with One Reboot

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 (http://support.microsoft.com/kb/249149/EN-US/ ) Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

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