An application does not function correctly if you click Cancel during a scan operation when you use the Windows Image Acquisition scanner in an application on a Windows Vista-based computer

This article has been archived. It is offered "as is" and will no longer be updated.
You use the Windows Image Acquisition (WIA) scanner on a Windows Vista-based computer to perform a scan in an application, such as Adobe Photoshop. If you click Cancel during the scan operation, the application does not function correctly. For example, you may experience one or more of the following symptoms:
  • You receive an error message.
  • The application stops responding.
  • The application crashes.
This problem occurs because of an access violation in the Wiadss.dll file.

Service pack information

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

Hotfix information

A 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: Note 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.


There are no prerequisites for installing this hotfix.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

Registry information

To use one of the hotfixes in this package, you do not have to make any changes to the registry.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Vista, x86-based versions
File nameFile versionFile sizeDateTimePlatform
Update.mumNot applicable1,80105-Oct-200717:11Not applicable
X86_8ed1a275b4b8741995a393bb6a2f8097_31bf3856ad364e35_6.0.6000.20694_none_664ca746fd8168e7.manifestNot applicable72605-Oct-200717:11Not applicable
X86_microsoft-windows-w..tion-wiatwaincompat_31bf3856ad364e35_6.0.6000.20694_none_592afaf90c2d5101.manifestNot applicable7,87905-Oct-200717:11Not applicable
Wiatwain.ds6.0.6000.206946,14405-Oct-200702:10Not applicable
Windows Vista, x64-based versions
File nameFile versionFile sizeDateTimePlatform
Amd64_f40e8356437c90c37de1a0d3a3c5277d_31bf3856ad364e35_6.0.6000.20694_none_681ba5020a1eb7f0.manifestNot applicable1,10005-Oct-200717:11Not applicable
Amd64_microsoft-windows-w..tion-wiatwaincompat_31bf3856ad364e35_6.0.6000.20694_none_b549967cc48ac237.manifestNot applicable6,94605-Oct-200717:17Not applicable
Update.mumNot applicable2,05505-Oct-200717:11Not applicable
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Vista Service Pack 1.
More information
For more information about the WIA scanner, visit the following Microsoft Web site:For more information about software update terminology, 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
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Article ID: 943300 - Last Review: 01/16/2015 10:08:35 - Revision: 4.0

  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Home Premium
  • Windows Vista Ultimate
  • kbnosurvey kbarchive kbautohotfix kbvistasp1fix kbexpertiseadvanced kbfix kbqfe kbhotfixserver KB943300