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Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support or package vendor

Anonymous
2016-05-22T17:27:39+00:00

Hello,

I'm trying to install Sensory Integration and Praxis Test (SIPT) software in a computer, but 1721 error keeps showing, even after I installed windows installer cleanup tool and used it for disable one of the 2 antivirus in this computer (not my computer). 

As so, I ask the comunity how can I solve this problem and install SIPT software?

Thanks for your time,

Duarte Fialho

Windows for home | Previous Windows versions | Install and upgrade

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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  1. Anonymous
    2016-05-23T09:09:13+00:00

    Hi Duarte,

    As per the description, you are experiencing issue with error 1721: “there is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support or package vendor” while installing Sensory Integration and Praxis Test (SIPT) on the system.

    I certainly understand your concern and appreciate all your efforts in trying to fix this issue.

    I would suggest you to try the following methods and check if that helps.

    Method 1:

    I would suggest you to try and run the following fix it from the article given below.

    Fix problems that programs cannot be installed or uninstalled.

    https://support.microsoft.com/en-us/mats/program_install_and_uninstall

    Note: The above article automatically repair issues that block program installation or removal because of corrupted registry keys.

    If the issue persists, follow method 2

    Method 2:

    How to use the System File Checker tool to repair missing or corrupted system files, please follow the steps in the link provided below.

    https://support.microsoft.com/kb/929833?wa=wsignin1.0

    Note: System File Checker is a utility in Windows that allows users to scan for corruptions in Windows system files and restore corrupted files. This article describes how to run the System File Checker tool (SFC.exe)to scan your system files and to repair missing or corrupted system files in Windows 8.1 or Windows 8. If a Windows Resource Protection (WRP) file is missing or is corrupted, Windows may not behave as expected.

    If the issue persists, follow method 3

    Method 3:

    I would also suggest you to check if the Windows installer service is running correctly. To check follow these steps: 

    1. Press Windows key +R, type “services.msc” and press enter.
    2. In the services window, locate Windows Installer and check if it is running.
    3. Right click and select properties, set the startup type to automatic.

    I hope this information is helpful.               

    Please do let us know if you need any further assistance, we will be glad to assist you.

    Thank you.

    10+ people found this answer helpful.
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