Dmitry,

Checking MSXML gives that error but clicking XML 3.0 at the bottom of the list does not seem to give the error and it seems to distribute the correct files.

>If I add a distribution package MSXML 3.0 I get the following error:
>

>Error 1723. There is a problem with this Windows Installer Package.
>A DLL Required for this install to complete could not be run.
>Contact your support personnel or package vendor
>

>
>If I uncheck MXSML 3.0, no error.
>
>Anyone know what's wrong here?
>
>Thank you.
>
>UPDATE. Sorry update unfinishet title line