Run program after installation error

[processendnow]

I have a vb.net form application, it works inside Visual Baisc Express
Debugger, packages without errors or warning, and is publishable.
Click on the setup.exe to install and it installs, but it cannot run,
the details of the error are here:

PLATFORM VERSION INFO
Windows : 5.1.2600.131072 (Win32NT)
Common Language Runtime : 2.0.50727.42
System.Deployme nt.dll : 2.0.50727.42 (RTM.050727-4200)
mscorwks.dll : 2.0.50727.42 (RTM.050727-4200)
dfdll.dll : 2.0.50727.42 (RTM.050727-4200)
dfshim.dll : 2.0.50727.42 (RTM.050727-4200)

SOURCES
Deployment url : file:///C:/temp/Application1.ap plication

ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed
later in the log.
* Activation of C:\temp\Applica tion1.applicati on resulted in
exception. Following failure messages were detected:
+ The referenced assembly is not installed on your system. (Exception
from HRESULT: 0x800736B3)

COMPONENT STORE TRANSACTION FAILURE SUMMARY
No transaction error was detected.

WARNINGS
There were no warnings during this operation.

OPERATION PROGRESS STATUS
* [25/02/2006 14:05:29] : Activation of
C:\temp\Applica tion1.applicati on has started.

ERROR DETAILS
Following errors were detected during this operation.
* [25/02/2006 14:05:29] System.Runtime. InteropServices .COMException
- The referenced assembly is not installed on your system. (Exception
from HRESULT: 0x800736B3)
- Source: System.Deployme nt
- Stack trace:
at
System.Deployme nt.Internal.Iso lation.IStore.G etAssemblyInfor mation(UInt32
Flags, IDefinitionIden tity DefinitionIdent ity, Guid& riid)
at
System.Deployme nt.Internal.Iso lation.Store.Ge tAssemblyManife st(UInt32
Flags, IDefinitionIden tity DefinitionIdent ity)
at
System.Deployme nt.Application. ComponentStore. GetSubscription StateInternal(D efinitionIdenti ty
subId)
at
System.Deployme nt.Application. SubscriptionSto re.GetSubscript ionStateInterna l(SubscriptionS tate
subState)
at
System.Deployme nt.Application. SubscriptionSto re.CheckAndRefe renceApplicatio n(SubscriptionS tate
subState, DefinitionAppId appId, Int64 transactionId)
at
System.Deployme nt.Application. DownloadManager .DownloadDeploy mentManifestDir ectBypass(Subsc riptionStore
subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionSta te&
subState, IDownloadNotifi cation notification, DownloadOptions options,
ServerInformati on& serverInformati on)
at
System.Deployme nt.Application. DownloadManager .DownloadDeploy mentManifestByp ass(Subscriptio nStore
subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionSta te&
subState, IDownloadNotifi cation notification, DownloadOptions options)
at
System.Deployme nt.Application. ApplicationActi vator.PerformDe ploymentActivat ion(Uri
activationUri, Boolean isShortcut)
at
System.Deployme nt.Application. ApplicationActi vator.ActivateD eploymentWorker (Object
state)

COMPONENT STORE TRANSACTION DETAILS
No transaction information is available.

I have uninstalled and reinstalled VB, SQL, .NET Framework 2. I have
changed the project folder, and the publish folder and drive, there are
no errors in the event log, and to be honest I dont understand the
above output, what is missing that I dont have installed?
If it helps, the project uses the:
Imports Microsoft.Offic e.Core
Imports Microsoft.Offic e.Interop
Office is installed, as are all required assemblies, and it has worked
previously.
Hope this makes sense to you.
Please help
Shaine