What is Error 1723?
When I try to install Norton Internet Security 05' I get an error msg, as follows: ERROR 1723 There is a problem with the windows installer pacage. A DLL required for this install to complete could not be run.
This question was answered on December 10, 2004. Much of the information contained herein may have changed since posting.Windows Installer 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 Action , entry: , library: 
If you see this error when trying to run your application, it may indicate that the installation was interrupted before it completed Try removing the application and installing it again.
If this is an InstallShield setup, it has been reported that running the InstallShield Script MSI separately may solve the problem (isscript.msi).
Others have reported that installing IE6 corrected the issue for them However, it would naturally depend on the specifics of your 1723 message.
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Posted by Henry of Katharine Gibbs School - New York on December 10, 2004