XML file change fails on server 2008 and windows 7

[brafman]

I have an XML file change working properly on all platforms except server 2008 and windows 7

00929: (Unknown): InstallFiles: File: msvcr71.dll, Directory: C:\Program Files\Preton\PretonCoordinator\, Size: 348160
00930: (Unknown): InstallFiles: File: msvcp71.dll, Directory: C:\Program Files\Preton\PretonCoordinator\, Size: 499712
00931: (Unknown): Action 18:01:14: ISXmlInstall.
00932: (Unknown): InstallShield 18:01:14: Installing 2 XML component(s)
00933: (Unknown): InstallShield 18:01:14: Installing XML Component 'Central.config'
00934: (Unknown): InstallShield 18:01:14: Installing XML file 'C:\Program Files\Preton\PretonCoordinator\Central.config'
00935: (Unknown): Action 18:01:14: Progress Custom Action. Updating XML file C:\Program Files\Preton\PretonCoordinator\Central.config...
00936: (Unknown): InstallShield 18:01:14: Using MSXML version 6
00937: (Unknown): InstallShield 18:01:15: Processing XPath '//system.runtime.remoting/application/client[@displayName="PretonCoordinator"]'
00938: (Unknown): Action ended 18:01:15: InstallFinalize. Return value 3.
00939: (Unknown): Action 18:01:15: Rollback. Rolling back action:

[Stevep]

Did you find a solution for this problem? I'm having the same issue...