[WiX-users] Custom actions working fine in xp - failing in Vista

Hi, I have created a WIX installer that works perfectly on XP. But When I try in Vista Business, my custom actions are failing Below is the custom action CustomAction Id=UninstallLogonHandler Return=check Execute=deferred ExeCommand=UninstallLogonHandler FileKey=xyz.exe /CustomAction

Re: [WiX-users] Custom actions working fine in xp - failing in Vista

Hi Thanks for respones. Log says: Action 18:50:25: UninstallLogonHandler. Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor. Action: UninstallLogonHandler,