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Vista Task Scheduler Error “The task image is corrupt or has been tampered with.mcupdate”

I just happened to visit Administrative Tools / Computer Management / Task Scheduler and got the error:

"The task image is corrupt or has been tampered with.mcupdate"

Apart from the bad syntax of the message (should say [mcupdate] at the end, not .mcupdate), you have not many clues on what is throwing this message. Only if you navigate to Microsoft / Media Center at the scheduled tasks you see the message again, which gives you more clues on what is responsible for the error, in specific the "mcupdate" task of Windows Media Center.

According to a relevant forum topic on the Internet, you can delete the mcupdate task from folder:

C:\windows\system32\tasks\Microsoft\windows\Media Center

I opted to rename the file to _mcupdate instead which seems to also solve this issue.

I wonder though if some malicious code is related to this error.

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  1. pj
    2011/10/20 at 08:24

    hi,

    i had a similar issue with my task sched/ corrupted tasks.

    BY FAR the most thorough way to solve the issue is using regedit for the tasks, as well as correcting the corrupted tasks in system32 file.

    all the steps can be thoroughly described to get the correct solution in the following microsoft support article:
    MS10-092, specifically this support page: http://support.microsoft.com/kb/2305420
    although it deals with a problem in the task sched caused by a windows update, the actual problem is exactly the same, with the same corrupt task messages.
    this is the correct way to solve the issue, it takes a few steps but it’s not difficult. just follow it closely, and only fix the tasks which are an issue in your system.

    this is the most thorough way to fix this issue.

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