Fehler beim deinstallieren des Produktes - InstallShield "Basic MSI" Projekte

Hallo,
habe beim Remove des alten Produktes einen abbruch, der Returncode ist 1603

log:
=== Protokollierung gestartet: 08.05.2006 15:39:00 ===
MSI (s) (70:0C) [15:39:00:875]: PROPERTY CHANGE: Adding Preselected property. Its value is '1'.
MSI (s) (70:0C) [15:39:00:875]: PROPERTY CHANGE: Adding ACTION property. Its value is 'INSTALL'.
MSI (s) (70:0C) [15:39:00:875]: Doing action: INSTALL
MSI (s) (70:0C) [15:39:00:890]: Running ExecuteSequence
MSI (s) (70:0C) [15:39:00:890]: Doing action: ISMsiServerStartup
Aktion gestartet um 15:39:00: INSTALL.
Aktion gestartet um 15:39:00: ISMsiServerStartup.
MSI (s) (70:0C) [15:39:00:890]: Doing action: ISStartup
Aktion beendet um 15:39:00: ISMsiServerStartup. Rückgabewert 1.
MSI (s) (70:40) [15:39:00:890]: Invoking remote custom action. DLL: C:\WINNT\Installer\MSI3D.tmp, Entrypoint: MsiServerStartup
MSI (s) (70:10) [15:39:00:890]: Generating random cookie.
MSI (s) (70:10) [15:39:00:890]: Created Custom Action Server with PID 1380 (0x564).
MSI (s) (70:54) [15:39:00:906]: Invoking remote custom action. DLL: C:\WINNT\Installer\MSI3E.tmp, Entrypoint: StartUp
MSI (s) (70:4C) [15:39:00:906]: Running as a service.
MSI (s) (70:5C) [15:39:00:906]: Hello, I'm your 32bit Impersonated custom action server.
Aktion gestartet um 15:39:00: ISStartup.
1: The InstallScript engine version currently installed on this machine is adequate.
MSI (s) (70!A0) [15:39:00:937]: PROPERTY CHANGE: Adding ISStartupEvent property. Its value is 'E390937'.
1: Event 'E390937' is created
1: GetInstallDriver, Can not find InstallDriver in ROT table, Return Code = 0x80004005
1: {E9BE3794-1454-9804-AFB9-47ABC524DI9C}
1: Extract supporting files
1: Failed to extract _IsUser.dll, Ignore it.
1: Failed to extract IGdi.dll, Ignore it.
1: ISMsiServerStartup Failure, Failed to Initialize script support, Error = 0x8000ffff
1: MsiServerStartup failed. Abort installation.
Aktion beendet um 15:39:02: ISMsiServerStartup. Rückgabewert 1603.
MSI (s) (70:0C) [15:39:02:328]: Doing action: ISCleanUpFatalExit
Aktion beendet um 15:39:02: ISStartup. Rückgabewert 3.
MSI (s) (70:54) [15:39:02:328]: Invoking remote custom action. DLL: C:\WINNT\Installer\MSI3F.tmp, Entrypoint: CleanUp
Aktion gestartet um 15:39:02: ISCleanUpFatalExit.
1: Shutting down the PRC server...
1: RPC runtime reported exception 0x6ba
Aktion beendet um 15:39:02: ISCleanUpFatalExit. Rückgabewert 1.
Aktion beendet um 15:39:02: INSTALL. Rückgabewert 3.