Just a quick question here...

Is it possible to create an MSI file from an application that has already been installed or do I have to do it when installing?

If I can create from an already installed app, how do I do it?
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There's a tool in Wise Package Studio called ApplicationWatch which is for the following purpose:

ApplicationWatch™ monitors your computer as you execute an application or run an installation and determines which .DLL, .OCX, and .EXE files were accessed. It then adds these files to a new installation. You can use this tool for informational purposes or to facilitate the creation of a new installation.
ApplicationWatch produces a Windows Installer package.

However I'd only recommend the usage of such a tool if the source files necessary for the installation aren't available anymore!
As long as you still have the media try to create the package during setup (i.e. with a SetupCapture).

Answered 10/02/2006 by: rpfenninger
Second Degree Green Belt

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If the already install application was installed by an MSI then try get hold of the cached msi. From this you can found out exactly what file/registry... the msi installed. The actions taken by custom actions can be hard to narro down though.
Answered 10/02/2006 by: AngelD
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