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Error message when you restart a Windows Vista-based computer: "Windows Calendar has stopped working"

You create an appointment and a new task in Windows Calendar on a Windows Vista-based computer. However, when you restart the computer, you receive an error message that resembles the following:
Windows Calendar has stopped working
A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available.
Additionally, an error message that resembles the following may be logged in the Application log:
Event Type: Error
Event Source: Application Error
Event ID: 1000
Faulting application WinCal.exe, version 6.0.6000.16386, time stamp 0x4549b140, faulting module WinCal.exe, version 6.0.6000.16386,time stamp 0x4549b140, exception code 0xc0000005,fault offset 0x0004d6ea, process id 0x179c, application start time 0x01c761104a05e707.

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.

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 Applicable1,76309-Mar-200712:18Not Applicable
X86_1906f8d81bbc2ece89be4d190496a73f_31bf3856ad364e35_6.0.6000.20553_none_6a03da89ab89007f.manifestNot Applicable69609-Mar-200712:18Not Applicable
X86_microsoft-windows-calendar_31bf3856ad364e35_6.0.6000.20553_none_8f60ff667ae4a89b.manifestNot Applicable34,98309-Mar-200712:20Not Applicable
Windows Vista, 64-bit versions
File nameFile versionFile sizeDateTimePlatformService branch
Amd64_520baf0ab37eed9e34a1cfc1af9cd4f1_31bf3856ad364e35_6.0.6000.20553_none_ae2eb8beb147050d.manifestNot Applicable1,04209-Mar-200712:18Not ApplicableNot Applicable
Amd64_microsoft-windows-calendar_31bf3856ad364e35_6.0.6000.20553_none_eb7f9aea334219d1.manifestNot Applicable35,03109-Mar-200712:45Not ApplicableNot Applicable
Update.mumNot Applicable1,76309-Mar-200712:18Not ApplicableNot Applicable
Wincal.exe6.0.6000.205531,263,61609-Mar-200702:40x64Not Applicable
Wow64_microsoft-windows-calendar_31bf3856ad364e35_6.0.6000.20553_none_f5d4453c67a2dbcc.manifestNot Applicable26,98809-Mar-200712:45Not ApplicableNot 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.
For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915New file naming schema for Microsoft Windows software update packages
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684Description of the standard terminology that is used to describe Microsoft software updates

Article ID: 933942 - Last Review: 05/16/2008 17:40:19 - Revision: 3.1

Windows Vista Ultimate, Windows Vista Starter, Windows Vista Home Premium, Windows Vista Home Basic, Windows Vista Enterprise, Windows Vista Business, Windows Vista Ultimate 64-bit Edition, Windows Vista Home Premium 64-bit Edition, Windows Vista Home Basic 64-bit Edition, Windows Vista Enterprise 64-bit Edition

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