Got an error msg on DL -- don't know what it means :

PLATFORM VERSION INFO
Windows : 5.1.2600.131072 (Win32NT)
Common Language Runtime : 2.0.50727.832
System.Deployment.dll : 2.0.50727.832 (QFE.050727-8300)
mscorwks.dll : 2.0.50727.832 (QFE.050727-8300)
dfdll.dll : 2.0.50727.42 (RTM.050727-4200)
dfshim.dll : 2.0.50727.42 (RTM.050727-4200)

SOURCES
Deployment url : file:///C:/Documents%20and%20Settings/Thomas%20Whitson/Desktop/PackInstaller(2).application

IDENTITIES
Deployment Identity : PackInstaller.application, Version=1.0.0.0, Culture=neutral, PublicKeyToken=75765f37c94cf361, processorArchitecture=msil

APPLICATION SUMMARY
* Online only application.

ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed later in the log.
* Activation of C:\Documents and Settings\Thomas Whitson\Desktop\PackInstaller(2).application resulted in exception. Following failure messages were detected:
+ Downloading file:///C:/Documents and Settings/Thomas Whitson/Desktop/Application Files/PackInstaller_1_0_0_0/PackInstaller.exe.manifest did not succeed.
+ Could not find a part of the path 'C:\Documents and Settings\Thomas Whitson\Desktop\Application Files\PackInstaller_1_0_0_0\PackInstaller.exe.manifest'.
+ Could not find a part of the path 'C:\Documents and Settings\Thomas Whitson\Desktop\Application Files\PackInstaller_1_0_0_0\PackInstaller.exe.manifest'.
+ Could not find a part of the path 'C:\Documents and Settings\Thomas Whitson\Desktop\Application Files\PackInstaller_1_0_0_0\PackInstaller.exe.manifest'.

COMPONENT STORE TRANSACTION FAILURE SUMMARY
No transaction error was detected.

WARNINGS
There were no warnings during this operation.

OPERATION PROGRESS STATUS
* [12/11/2007 9:38:30 AM] : Activation of C:\Documents and Settings\Thomas Whitson\Desktop\PackInstaller(2).application has started.
* [12/11/2007 9:38:31 AM] : Processing of deployment manifest has successfully completed.
* [12/11/2007 9:38:31 AM] : Installation of the application has started.

ERROR DETAILS
Following errors were detected during this operation.
* [12/11/2007 9:38:31 AM] System.Deployment.Application.DeploymentDownloadException (Unknown subtype)
- Downloading file:///C:/Documents and Settings/Thomas Whitson/Desktop/Application Files/PackInstaller_1_0_0_0/PackInstaller.exe.manifest did not succeed.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
at System.Deployment.Application.SystemNetDownloader.DownloadAllFiles()
at System.Deployment.Application.FileDownloader.Download(SubscriptionState subState)
at System.Deployment.Application.DownloadManager.DownloadManifestAsRawFile(Uri& sourceUri, String targetPath, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)
at System.Deployment.Application.DownloadManager.DownloadApplicationManifest(AssemblyManifest deploymentManifest, String targetDir, Uri deploymentUri, IDownloadNotification notification, DownloadOptions options, Uri& appSourceUri, String& appManifestPath)
at System.Deployment.Application.ApplicationActivator.DownloadApplication(SubscriptionState subState, ActivationDescription actDesc, Int64 transactionId, TempDirectory& downloadTemp)
at System.Deployment.Application.ApplicationActivator.InstallApplication(SubscriptionState subState, ActivationDescription actDesc)
at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut)
at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
--- Inner Exception ---
System.Net.WebException
- Could not find a part of the path 'C:\Documents and Settings\Thomas Whitson\Desktop\Application Files\PackInstaller_1_0_0_0\PackInstaller.exe.manifest'.
- Source: System
- Stack trace:
at System.Net.FileWebRequest.EndGetResponse(IAsyncResult asyncResult)
at System.Net.FileWebRequest.GetResponse()
at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
--- Inner Exception ---
System.Net.WebException
- Could not find a part of the path 'C:\Documents and Settings\Thomas Whitson\Desktop\Application Files\PackInstaller_1_0_0_0\PackInstaller.exe.manifest'.
- Source: System
- Stack trace:
at System.Net.FileWebResponse..ctor(FileWebRequest request, Uri uri, FileAccess access, Boolean asyncHint)
at System.Net.FileWebRequest.GetResponseCallback(Object state)
--- Inner Exception ---
System.IO.DirectoryNotFoundException
- Could not find a part of the path 'C:\Documents and Settings\Thomas Whitson\Desktop\Application Files\PackInstaller_1_0_0_0\PackInstaller.exe.manifest'.
- Source: mscorlib
- Stack trace:
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean useAsync)
at System.Net.FileWebStream..ctor(FileWebRequest request, String path, FileMode mode, FileAccess access, FileShare sharing, Int32 length, Boolean async)
at System.Net.FileWebResponse..ctor(FileWebRequest request, Uri uri, FileAccess access, Boolean asyncHint)

COMPONENT STORE TRANSACTION DETAILS
No transaction information is available.