Microsoft KB Archive/812400

= Scheduled tasks may not run and generate an exit code of 80 =

Article ID: 812400

Article Last Modified on 5/17/2007

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APPLIES TO


 * Microsoft Windows XP Professional
 * Microsoft Windows XP Home Edition

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SYMPTOMS
Tasks that you have scheduled to run by using the Scheduled Tasks tool in Control Panel, the Schtasks.exe command-line tool, or the &quot;at&quot; command may not run at the scheduled time. When this occurs, the Scheduled Tasks log shows that the task did not work with an exit code of 80 (ERROR_WAIT_NO_CHILDREN).



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

322389 How to obtain the latest Windows XP service pack

Hotfix information
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

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 typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix has the file attributes (or later) 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 tool in Control Panel.

  Date         Time   Version        Size     File name 14-Jan-2003 00:59  5.1.2600.1156  251,392  Mstask.dll 13-Jan-2003 23:45  5.1.2600.1156    9,728  Mstinit.exe 14-Jan-2003 00:59  5.1.2600.1156  162,816  Schedsvc.dll



WORKAROUND
To work around this problem, disable the Human Interface Device Access service (the HID Input service), and then restart the computer.



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 Microsoft Windows XP Service Pack 2.

Keywords: kbhotfixserver kbqfe kbwinxpsp2fix kbqfe kbwinxppresp2fix kbfix kbbug KB812400

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