MSI will not deploy vis GPO machine install

I am using  Group Policies to assign numerous items of software (acrobat, office, winzip, in house apps etc), these are assigned via the Computer (machine) software installation settings in GPO. I have been asked to deploy another in house app that contains "custom actions" in the MSI- I am not a programmer butI understand that these should be okay if deployed on the machine and not user policy as the machine deployment has full local rights, which custom actions need (I do not know how true this is!). The developer has made a new msi with quote "It contains a single custom action which doesn't actually do anything" and we get the errors in the policy logging below.

Target machine and server: Windows 2000 SP4 plus hotfixes

NB: The MSI installs correctly when just double clicked and installed manually.

MSI (s) (70:78) [08:38:54:515]: Executing op: ActionStart(Name=_341744F6_503A_48FB_AB56_E563AB3D8D89.install,,)
MSI (s) (70:78) [08:38:54:515]: Executing op: CustomActionSchedule(Action=_341744F6_503A_48FB_AB56_E563AB3D8D89.install,ActionType=1025,Source=BinaryData,Target=ManagedInstall,CustomActionData=/installtype=notransaction /action=install /LogFile= /targetdir="C:\Program Files\xxxxx\Browser\\" /sourcedir="\" "C:\Program Files\xxxxx\Browser\rowser.exe" "C:\WINNT\TEMP\CFG2.tmp")
MSI (s) (70:F0) [08:38:54:562]: Invoking remote custom action. DLL: C:\WINNT\Installer\MSI6.tmp, Entrypoint: ManagedInstall
MSI (s) (70!F4) [08:39:00:406]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (70!F4) [08:39:00:406]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (70!F4) [08:39:00:437]:
MSI (s) (70:F0) [08:39:00:453]: Leaked MSIHANDLE (12) of type 790531 for thread 1268
MSI (s) (70:F0) [08:39:00:453]: Note: 1: 2769 2: _341744F6_503A_48FB_AB56_E563AB3D8D89.install 3: 1
MSI (s) (70:F0) [08:39:00:453]: Note: 1: 2262 2: Error 3: -2147287038
Error 1001. Exception occurred while initializing the installation:
System.IO.FileNotFoundException: File or assembly name Browser.exe, or one of its dependencies, was not found..
DEBUG: Error 2769:  Custom Action _341744F6_503A_48FB_AB56_E563AB3D8D89.install did not close 1 MSIHANDLEs.
The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2769. The arguments are: _341744F6_503A_48FB_AB56_E563AB3D8D89.install, 1,
MSI (s) (70:78) [08:39:00:468]: User policy value 'DisableRollback' is 0
MSI (s) (70:78) [08:39:00:468]: Machine policy value 'DisableRollback' is 0
Action ended 08:39:00: InstallFinalize. Return value 3.
MSI (s) (70:78) [08:39:00:468]: Executing op: Header(Signature=1397708873,Version=301,Timestamp=881018074,LangId=1033,Platform=0,ScriptType=2,ScriptMajorVersion=21,ScriptMinorVersion=4,ScriptAttributes=1)
MSI (s) (70:78) [08:39:00:468]: Executing op: DialogInfo(Type=0,Argument=1033)
MSI (s) (70:78) [08:39:00:468]: Executing op: DialogInfo(Type=1,Argument=xxxxx Browser)
MSI (s) (70:78) [08:39:00:468]: Executing op: RollbackInfo(,RollbackAction=Rollback,RollbackDescription=Rolling back action:,RollbackTemplate=[1],CleanupAction=RollbackCleanup,CleanupDescription=Removing backup files,CleanupTemplate=File: [1])
MSI (s) (70:78) [08:39:00:468]: Executing op: ActionStart(Name=_341744F6_503A_48FB_AB56_E563AB3D8D89.install,,)
MSI (s) (70:78) [08:39:00:484]: Executing op: ProductInfo(ProductKey={B9F52B16-7040-4DA8-9D05-D6C366B468F2},ProductName= xxxxx Browser,PackageName=Browser.msi,Language=1033,Version=16842759,Assignment=1,ObsoleteArg=0,ProductIcon=_bb32ea6.exe,,PackageCode={737A9C67-474C-4C8F-BC8E-5FE44A26BACA},,,InstanceType=0,LUASetting=0,RemoteURTInstalls=0)
MSI (s) (70:78) [08:39:00:484]: Executing op: ActionStart(Name=CreateShortcuts,Description=Creating shortcuts,Template=Shortcut: [1])
MSI (s) (70:78) [08:39:00:484]: Executing op: SetTargetFolder(Folder=23\xxxxx\)
MSI (s) (70:78) [08:39:00:484]: SHELL32::SHGetFolderPath returned: C:\Documents and Settings\All Users\Start Menu\Programs
MSI (s) (70:78) [08:39:00:484]: Executing op: SetTargetFolder(Folder=25)
MSI (s) (70:78) [08:39:00:484]: SHELL32::SHGetFolderPath returned: C:\Documents and Settings\All Users\Desktop
MSI (s) (70:78) [08:39:00:484]: Executing op: SetTargetFolder(Folder=23\xxxxx\)

Thanks Mike

PS. I don't know if this is in the correct section
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mikesjnAuthor Commented:
I also get the following in application log:

Event Type:      Error
Event Source:      MsiInstaller
Event Category:      None
Event ID:      11001
Date:            03/04/2006
Time:            08:39:00
User:            NT AUTHORITY\SYSTEM
Computer:      WD-UKSPARE6
The description for Event ID ( 11001 ) in Source ( MsiInstaller ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. The following information is part of the event: Product: xxxxx Browser -- Error 1001. Exception occurred while initializing the installation:
System.IO.FileNotFoundException: File or assembly name Browser.exe, or one of its dependencies, was not found.., (NULL), (NULL), (NULL).
0000: 7b 42 39 46 35 32 42 31   {B9F52B1
0008: 36 2d 37 30 34 30 2d 34   6-7040-4
0010: 44 41 38 2d 39 44 30 35   DA8-9D05
0018: 2d 44 36 43 33 36 36 42   -D6C366B
0020: 34 36 38 46 32 7d         468F2}  
Nirmal SharmaSolution ArchitectCommented:
I think NULL is returned only when the value is not returned to  variable assigned in programming or MSI file. This variable could also be an UNC path pointing to the current machine where this MSI is being processed.

Make sure MSI is configured with proper variable and settings in it. As you said it works fine locally so if the value is returned NULL then it works with current machine otherwise will loose control over network.

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Windows 2000

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