Windows XP Tablet PC Edition 2005: A stylus does not work in a WPF application on a computer that is running Windows XP Tablet PC Edition 2005

SUPPORT SOLUTION:
You have a Tablet PC that is running Windows XP Tablet PC Edition 2005. You use a stylus to operate in a Windows Presentation Foundation (WPF) application on this computer. However, the stylus input does not work.Note When this issue occurs, you can still use a mouse or a keyboard to operate in the application..The issue occurs because of a race condition in the pen service (Wisptis.exe)..Hotfix information
2, ‘resolution’);
A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.To resolve this problem, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft website:http://support.microsoft.com/contactus/?ws=support
(http://support.microsoft.com/contactus/?ws=support)
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.Prerequisites
3, ‘resolution’);
To apply this hotfix, you must be running Windows XP Tablet PC Edition 2005 with Service Pack 3 on a Tablet PC. For more information about how to obtain a Windows XP service pack, click the following article number to view the article in the Microsoft Knowledge Base:

322389 

(http://support.microsoft.com/kb/322389/
)

How to obtain the latest Windows XP service pack

Registry information
3, ‘resolution’);
To use the hotfix in this package, you do not have to make any changes to the registry.Restart requirement
3, ‘resolution’);
You may have to restart the computer after you apply this hotfix.Hotfix replacement information
3, ‘resolution’);
This hotfix does not replace a previously released hotfix.File information
3, ‘resolution’);
The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.Windows XP file information notes
4, ‘resolution’);
In addition to the files that are listed in these tables, this hotfix also installs an associated security catalog file (KBnumber.cat) that is signed with a Microsoft digital signature.For all supported x86-based versions of Windows XP Tablet PC Edition 2005 with Service Pack 3
4, ‘resolution’);
Collapse this tableExpand this tableFile nameFile versionFile sizeDateTimePlatformWisptis.exe1.7.2600.5958293,88820-Mar-201007:20×86.To work around this issue, you can use a mouse or a keyboard to operate in the WPF application window. Then the stylus input is restored..Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the “Applies to” section..For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 

(http://support.microsoft.com/kb/824684/
)

Description of the standard terminology that is used to describe Microsoft software updates

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