I have followed the instructions for repackaging Quicktime and deploying via GPO here http://www.appdeploy.com/packages/detail.asp?id=520. I set up the GPO to install at the system level, not by the user.

Amazingly (this is my first experience repackaging or with a GPO install), it worked! ... Well, almost. There were two Quicktime icons in the system tray, but that cleared up after a reboot.

The problem comes when I try to do the same on a machine that already has 6.5 installed. I assumed that it would upgrade the existing software. However, it appears to just skip the install. Unfortunately, I installed QT 6.5 by hand on about 30 computers two years ago, so I don't think I can uninstall it first via Group Policy.

After poking around the quicktimeinstaller.msi file, I noticed a few references to upgrades. However, I'm not sure what to do with them. Can anyone make a recommendation? I'd love to figure this out.

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Hi Joseph,
you have to create a simple CustomAction to call the uninstall command of the 6.5 version.
Go to: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ and search for the entry that is refering to QT 6.5.
In there you should find the uninstall string, which you can use to silently uninstall it.
Hope this points you in the right direction.
Regards, Nick
Answered 07/01/2006 by: nheim
Tenth Degree Black Belt

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