Publish Problem

Hi, I have an Error that I wasnt discover, when I try to publish any project ( I mean a new project with a simple form with out anything) I have this error:

Cannot continue. The application is improperly formatted. Contact the aplication vendor for assitance.

This happening with all the projects that I create, What Can I do? The following lines are the error message log:

PLATFORM VERSION INFO
Windows : 5.1.2600.131072 (Win32NT)
Common Language Runtime : 2.0.50727.42
System.Deployment.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://user/BACKUPS/Estiquer.application

ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed later in the log.
* Activation of
file://\\User\BACKUPS\Estiquer.application resulted in exception. Following failure messages were detected:
+ Exception reading manifest from
file://user/BACKUPS/Estiquer.application: the manifest may not be valid or the file could not be opened.
+ Deployment manifest is not semantically valid.
+ Deployment manifest requires that you specify a publisher and a product.

COMPONENT STORE TRANSACTION FAILURE SUMMARY
No transaction error was detected.

WARNINGS
There were no warnings during this operation.

OPERATION PROGRESS STATUS
* [03/10/2006 10:08:03 p.m.] : Activation of
file://\\User\BACKUPS\Estiquer.application has started.

ERROR DETAILS
Following errors were detected during this operation.
* [03/10/2006 10:08:04 p.m.] System.Deployment.Application.InvalidDeploymentException (ManifestParse)
- Exception reading manifest from
file://user/BACKUPS/Estiquer.application: the manifest may not be valid or the file could not be opened.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.ManifestReader.FromDocument(String localPath, ManifestType manifestType, Uri sourceUri)
at System.Deployment.Application.DownloadManager.DownloadDeploymentManifestDirectBypass(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionState& subState, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)
at System.Deployment.Application.DownloadManager.DownloadDeploymentManifestBypass(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionState& subState, IDownloadNotification notification, DownloadOptions options)
at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut)
at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
Inner Exception
System.Deployment.Application.InvalidDeploymentException (ManifestSemanticValidation)
- Deployment manifest is not semantically valid.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.Manifest.AssemblyManifest.ValidateSemanticsForDeploymentRole()
at System.Deployment.Application.Manifest.AssemblyManifest.ValidateSemantics(ManifestType manifestType)
at System.Deployment.Application.ManifestReader.FromDocument(String localPath, ManifestType manifestType, Uri sourceUri)
Inner Exception
System.Deployment.Application.InvalidDeploymentException (InvalidManifest)
- Deployment manifest requires that you specify a publisher and a product.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.Manifest.AssemblyManifest.ValidateSemanticsForDeploymentRole()

COMPONENT STORE TRANSACTION DETAILS
No transaction information is available.

[4919 byte] By [Kaos] at [2007-12-25]