Tuesday 25 March 2014

"Error 1720" when an MSI file installs an add-in for Visio 2007

If you are trying to use an .msi file for installing an add on in Microsoft office Visio 2007 in windows vista operating system based computer then the add-on installing process failed and giving the following error message.

Error 1720. There is a problem with this Windows Installer package. A script required for this install to complete could not be run. Contact your support personnel or package vendor. Custom action VisSolPublish_BumpVisioChangeId script error -2147024891, WshShell.RegWrite: Invalid root in registry key "HKLM\Software\Microsoft\Office\Visio\ConfigChangeID". Line 4, Column 1.


This error message also occurs when are trying to install custom Microsoft office path 2007 template then you may receive the following error message.


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


Some important causes of error code 1720

The main cause of getting error code 1720 in your computer is affected of virus and damaging and corrupting of .dll files. This error also may receive when some data missing in registry files. The solution of error code 1720 is given in the rest paragraph.










Process to fix error code 1720

To solve this problem you have to disable user accounts control (UAC), and after then run the .msi file. To apply it on your computer you have to follow these steps.




  • Go to start button and then click on control panel. After that click on user accounts and family safety and after then click on user accounts and if your computer is connected to a network domain and then click user accounts and then click on user accounts.
  • After that you have to click on turn user account control on or off. If you are not logged in with administrator then you have to give the administrator user name and password.
  • After that click to clear the Use User Account Control (UAC) to help protect your computer check box and after then click on ok.
  • Now restart the computer and then run the .msi file to install the add-in.
  • Then enable user accounts control (UAC. To do this follows the step 1 and then click to select the Use User Account Control (UAC) to help protect your computer check box.


The process that is given to remove error 1720 is tasted by me. I fix my pc from this process. It successfully works and gives best output.


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