I'm attempting to create an unattended uninstall for the Bentley View application, but am having some issues with the approach that Bentley took for it's uninstall.

The uninstall string in the registry calls GUID.exe

"C:\Program Files\InstallShield Installation Information\GUID.exe" -uninstall -guid "{EC2A673E-4292-4C5E-A802-80DD385B8A52}_0"

So far, i have not been able to find any information on GUID.exe. If this command is run, the uninstall launches, but requires user interaction. I have attempted to create an answer file for the uninstall, tried various flags for GUID.exe, and have had success with nothing. Has anyone ever dealt with this type of uninstall? Any success with an unattended uninstall? thanks in advance.

Potatoes.
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Well here is some info on it:

http://web.archive.org/web/20050311170444/http://www.eons.net/guid.html

Looks like it's old, and dirty, and nothing much about silence - you might be stuck with "packaging" an uninstall, or if all else fails, using something like AutoIT to answer the questions.
Answered 03/07/2006 by: usachrisk
Purple Belt

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The reason you are having a problem with GUID silently is because it is only designed to move uninstall entries around. There is an extensive description at the URL usachrisk posted, that explains the problem with InstallShield Professional 6.x and multiple installations of the same software onto a PC.

Evidently Bentley hoped to be able to install multiple copies of their software onto the same PC. If you look at the registry uninstall entry identical to the -guid"" parameter you will see the original command-lines used for that specific installation. If you want to run things quietly from there, modify the appropriate keys and guid.exe will run the uninstallation quietly as requested.

The sourcecode for the app is available at: [link]http://web.archive.org/web/20050311200105/www.eons.net/guid.dpr.txt[/link]

It is Delphi source code that can easily be converted to C++ or whatever language is your poison.

Stefan
Answered 12/09/2006 by: StefanP
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You know, I almost completely forgot about this posting.
I think the information provided to me by you kind kind folks will help me out.
Thanks ever so much.
Answered 03/27/2007 by: potatoes
Senior Yellow Belt

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