Installation problems of C# deployment - c#

I have a program I deployed using ClickOnce deployment and then installed on my machine. I tried running it, and it gave me the following error:
PLATFORM VERSION INFO
Windows : 5.1.2600.196608 (Win32NT)
Common Language Runtime : 2.0.50727.3053
System.Deployment.dll : 2.0.50727.3053 (netfxsp.050727-3000)
mscorwks.dll : 2.0.50727.3053 (netfxsp.050727-3000)
dfdll.dll : 2.0.50727.3053 (netfxsp.050727-3000)
dfshim.dll : 2.0.50727.3053 (netfxsp.050727-3000)
SOURCES
Deployment url : file:///C:/../MyProg.appref-ms%7C
ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed later in the log.
* Activation of C:\..\MyProg.appref-ms| 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
* [3/30/09 2:45:10 PM] : Activation of C:\..\MyProg.appref-ms| has started.
ERROR DETAILS
Following errors were detected during this operation.
* [3/30/09 2:45:16 PM] System.Runtime.InteropServices.COMException
- The referenced assembly is not installed on your system. (Exception from HRESULT: 0x800736B3)
- Source: System.Deployment
- Stack trace:
at System.Deployment.Internal.Isolation.IStore.GetAssemblyInformation(UInt32 Flags, IDefinitionIdentity DefinitionIdentity, Guid& riid)
at System.Deployment.Internal.Isolation.Store.GetAssemblyManifest(UInt32 Flags, IDefinitionIdentity DefinitionIdentity)
at System.Deployment.Application.ComponentStore.GetAssemblyManifest(DefinitionIdentity asmId)
at System.Deployment.Application.ComponentStore.GetSubscriptionStateInternal(DefinitionIdentity subId)
at System.Deployment.Application.SubscriptionStore.GetSubscriptionStateInternal(SubscriptionState subState)
at System.Deployment.Application.SubscriptionState.Validate()
at System.Deployment.Application.SubscriptionState.get_IsInstalled()
at System.Deployment.Application.ApplicationActivator.ProcessOrFollowShortcut(String shortcutFile, String& errorPageUrl, TempFile& deployFile)
at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
COMPONENT STORE TRANSACTION DETAILS
No transaction information is available.
I cannot uninstall the program, but I can't see why (a dialog pops up for a second and disappears before I can read it), and I can't reinstall the application until I have uninstalled the old version.
What might the problem is, and what I can do about it?
Previous versions were deployed using Visual Studio 2008. This version was deployed using Visual C# Express Edition. There is a dependency for the MySQL Connection package. I have not customized any of the settings when publishing, beyond the location of the directory and the version number (non-duplicate version number).

Your application store may be messed up. You can try deleting this key (it will all remove any currently installed Click-Once applications):
HKEY_CURRENT_USER\Software\Classes\SOFTWARE\Microsoft\Windows\CurrentVersion\Deployment\SideBySide
As a note, if your application 'works' besides that error or on other machines, then this is likely your issue.

Related

Error While Opening Xbap (wpf Browser Applcation)

I am facing error while opening xbap in browser.
PLATFORM VERSION INFO
Windows : 6.3.9600.0 (Win32NT)
Common Language Runtime : 4.0.30319.34014
System.Deployment.dll : 4.0.30319.34243 built by: FX452RTMGDR
clr.dll : 4.0.30319.34014 built by: FX45W81RTMGDR
dfdll.dll : 4.0.30319.34243 built by: FX452RTMGDR
dfshim.dll : 6.3.9600.16384 (winblue_rtm.130821-1623)
APPLICATION SUMMARY
* Online only application.
* Trust url parameter is set. * Browser-hosted application.
ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed later in the log.
* An exception occurred while determining platform requirements. Following failure messages were detected:
+ Unable to install or run the application. The application requires that assembly DPFPVerNET Version 1.6.1.0 be installed in the Global Assembly Cache (GAC) first.
* An exception occurred while downloading the application. Following failure messages were detected:
+ The DeterminePlatformRequirements method failed. The application cannot be committed.
COMPONENT STORE TRANSACTION FAILURE SUMMARY
No transaction error was detected.
WARNINGS
There were no warnings during this operation.
OPERATION PROGRESS STATUS
No phase information is available.
ERROR DETAILS
Following errors were detected during this operation.
* [9/28/2015 5:21:16 PM] System.Deployment.Application.DependentPlatformMissingException (Unknown subtype)
- Unable to install or run the application. The application requires that assembly DPFPVerNET Version 1.6.1.0 be installed in the Global Assembly Cache (GAC) first.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.PlatformDetector.VerifyPlatformDependencies(AssemblyManifest appManifest, AssemblyManifest deployManifest, String tempDir)
at System.Deployment.Application.DeploymentManager.DeterminePlatformRequirementsCore(Boolean blocking)
at System.Deployment.Application.DeploymentManager.DeterminePlatformRequirements()
at System.Deployment.Application.InPlaceHostingManager.AssertApplicationRequirements(Boolean grantApplicationTrust)
at System.Deployment.Application.InPlaceHostingManager.AssertApplicationRequirements()
at MS.Internal.AppModel.XappLauncherApp.AssertApplicationRequirementsAsync(Object unused)
* [9/28/2015 5:21:16 PM] System.Deployment.Application.DeploymentException (Unknown subtype)
- The DeterminePlatformRequirements method failed. The application cannot be committed.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.DeploymentManager.WaitForAssertApplicationRequirements()
at System.Deployment.Application.DeploymentManager.SynchronizeCore(Boolean blocking)
at System.Deployment.Application.DeploymentManager.SynchronizeAsyncWorker()
COMPONENT STORE TRANSACTION DETAILS
No transaction information is available.
By running run time environment of finger print device on client PC, you can over come this error!

How to handle clickonce installation error

I have made a c# application and encountered the following error on installation after publishing it.
PLATFORM VERSION INFO
Windows : 6.2.9200.0 (Win32NT)
Common Language Runtime : 4.0.30319.34014
System.Deployment.dll : 4.0.30319.34243 built by: FX452RTMGDR
clr.dll : 4.0.30319.34014 built by: FX45W81RTMGDR
dfdll.dll : 4.0.30319.34243 built by: FX452RTMGDR
dfshim.dll : 6.3.9600.16384 (winblue_rtm.130821-1623)
SOURCES
Deployment url : file:///C:/Users/username/New%20folder/HomeProg/WORK/MyApp2/Setup/MyApp/MyApp/publish/MyApp.application
Application url : file:///C:/Users/username/New%20folder/HomeProg/WORK/MyApp2/Setup/MyApp/MyApp/publish/Application%20Files/MyApp_1_0_0_5/MyApp.exe.manifest
IDENTITIES
Deployment Identity : MyApp.application, Version=1.0.0.5, Culture=neutral, PublicKeyToken=929f04053a5afc91, processorArchitecture=msil
Application Identity : MyApp.exe, Version=1.0.0.5, Culture=neutral, PublicKeyToken=929f04053a5afc91, processorArchitecture=msil, type=win32
APPLICATION SUMMARY
* Installable application.
ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed later in the log.
* Activation of C:\Users\username\New folder\MyApp\MyApp\publish\MyApp.application resulted in exception. Following failure messages were detected:
+ Reference in the manifest does not match the identity of the downloaded assembly MyApp.exe.
COMPONENT STORE TRANSACTION FAILURE SUMMARY
No transaction error was detected.
WARNINGS
There were no warnings during this operation.
OPERATION PROGRESS STATUS
* [24/08/2015 11:29:37 PM] : Activation of C:\Users\username\New folder\HomeProg\WORK\MyApp2\Setup\MyApp\MyApp\publish\MyApp.application has started.
* [24/08/2015 11:29:37 PM] : Processing of deployment manifest has successfully completed.
* [24/08/2015 11:29:37 PM] : Installation of the application has started.
* [24/08/2015 11:29:37 PM] : Processing of application manifest has successfully completed.
* [24/08/2015 11:29:40 PM] : Found compatible runtime version 4.0.30319.
* [24/08/2015 11:29:40 PM] : Request of trust and detection of platform is complete.
ERROR DETAILS
Following errors were detected during this operation.
* [24/08/2015 11:29:41 PM] System.Deployment.Application.InvalidDeploymentException (RefDefValidation)
- Reference in the manifest does not match the identity of the downloaded assembly MyApp.exe.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.DownloadManager.ProcessDownloadedFile(Object sender, DownloadEventArgs e)
at System.Deployment.Application.FileDownloader.DownloadModifiedEventHandler.Invoke(Object sender, DownloadEventArgs e)
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.DownloadDependencies(SubscriptionState subState, AssemblyManifest deployManifest, AssemblyManifest appManifest, Uri sourceUriBase, String targetDirectory, String group, IDownloadNotification notification, DownloadOptions options)
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, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
COMPONENT STORE TRANSACTION DETAILS
No transaction information is available.
Have searched the whole internet for a solution and the solutions i've found are complicated and do not relate to my problem.
The application is a .Net 4.5 wpf application made in visual studio 2013. Any form of help and or links to helpful sources would be much appreciated
You need to change your project setting to Create application without a manifest.
See: https://stackoverflow.com/a/5339135/1776231
In project properties -> Application tab -> Resources -> checkbox icon and manifest, the setting "Embed manifest with default settings"
caused the problem. Setting it to "Create application without a
manifest" fixes the problem.

LightSwitch Desktop Application Installation failing: "Strong name signature not valid for this assembly vslshost.exe"

I've created a LighSwitch desktop application in Visual Studio 2013 which installs perfectly fine on my development machine but fails during installation on my client's machine with the following error message:
Strong name signature not valid for this assembly vslshost.exe
I found a similar issue that was also raised on the MSDN forum:
http://social.msdn.microsoft.com/Forums/en-US/28736d83-db94-4d0b-adb9-2ff2e6d0ba95/installation-failing-strong-name-signature-not-valid-for-this-assembly-vslshostexe?forum=lightswitch
One person replied stating that other people have previously given solutions to this error but neither I nor the original poster could find these solutions.
I've followed the How to: Deploy a Two-tier LightSwitch Application guide found here:
http://msdn.microsoft.com/en-us/library/ff852056.aspx
However, the problem persists for my client but not for me.
Can anyone help with this?
Here are some details from the error log:
PLATFORM VERSION INFO
Windows : 6.1.7601.65536 (Win32NT)
Common Language Runtime : 4.0.30319.1022
System.Deployment.dll : 4.0.30319.245 (RTMGDR.030319-2400)
clr.dll : 4.0.30319.1022 (RTMGDR.030319-1000)
dfdll.dll : 4.0.30319.1 (RTMRel.030319-0100)
dfshim.dll : 4.0.31106.0 (Main.031106-0000)
IDENTITIES
Deployment Identity : [APPLICATION], Version=1.0.7.0, Culture=neutral, PublicKeyToken=0000000000000000, processorArchitecture=x86
Application Identity : [APPLICATION_EXE], Version=1.0.7.0, Culture=neutral, PublicKeyToken=0000000000000000, processorArchitecture=x86, type=win32
ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed later in the log.
* Activation of [APPLICATION] resulted in exception. Following failure messages were detected:
+ Strong name signature not valid for this assembly vslshost.exe.
COMPONENT STORE TRANSACTION FAILURE SUMMARY
No transaction error was detected.
WARNINGS
* The manifest for this application does not have a signature. Signature validation will be ignored.
* The manifest for this application does not have a signature. Signature validation will be ignored.
* The file named default.htm does not have a hash specified in the manifest. Hash validation will be ignored.
* The file named web.config does not have a hash specified in the manifest. Hash validation will be ignored.
OPERATION PROGRESS STATUS
* [25/02/2014 8:11:42 AM] : Activation of [APPLICATION] has started.
* [25/02/2014 8:11:42 AM] : Processing of deployment manifest has successfully completed.
* [25/02/2014 8:11:42 AM] : Installation of the application has started.
* [25/02/2014 8:11:42 AM] : Processing of application manifest has successfully completed.
* [25/02/2014 8:11:45 AM] : Found compatible runtime version 4.0.30319.
* [25/02/2014 8:11:45 AM] : Request of trust and detection of platform is complete.
ERROR DETAILS
Following errors were detected during this operation.
* [25/02/2014 8:11:46 AM] System.Deployment.Application.InvalidDeploymentException (SignatureValidation)
- Strong name signature not valid for this assembly vslshost.exe.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.ComponentVerifier.VerifyStrongNameAssembly(String filePath, AssemblyManifest assemblyManifest)
at System.Deployment.Application.ComponentVerifier.StrongNameAssemblyComponent.Verify()
at System.Deployment.Application.ComponentVerifier.VerifyComponents()
at System.Deployment.Application.DownloadManager.DownloadDependencies(SubscriptionState subState, AssemblyManifest deployManifest, AssemblyManifest appManifest, Uri sourceUriBase, String targetDirectory, String group, IDownloadNotification notification, DownloadOptions options)
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, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
COMPONENT STORE TRANSACTION DETAILS
No transaction information is available.
Any help with this would be greatly appreciated. Please let me know if further information would be useful in diagnosing the issue.

"Manifest XML signature is not valid"

OS: Windows 7 64 bit using Visual Studio Pro 2012 with .NET 4.5 installed.
I used the Publish option within Visual Studios and ensured that I had clicked the Sign the clickOnce manifest and Sign the Assembly. It will still not run on another computer and says I do not have a valid XML signature. I have pasted the error message below.
I have also read: How to move a ClickOnce deployment package, Do I have to sign my ClickOnce manifest?. VS2012 .NET 4.0 Clickonce VSTO CryptographicException: SignatureDescription could not be created for the signature algorithm supplied and several others.
I need to be able to deploy my program on .NET 4.0 at the minimum and I do not have access to another version of Visual Studios. Thanks in Advance!
complete Error Below:
PLATFORM VERSION INFO
Windows : 5.1.2600.196608 (Win32NT)
Common Language Runtime : 2.0.50727.3603
System.Deployment.dll : 2.0.50727.3053 (netfxsp.050727-3000)
mscorwks.dll : 2.0.50727.3603 (GDR.050727-3600)
dfdll.dll : 2.0.50727.3053 (netfxsp.050727-3000)
dfshim.dll : 4.0.31106.0 (Main.031106-0000)
SOURCES
Deployment url : file:///C:/Documents%20and%20Settings/Administrator/Desktop/EatonWizard.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\Administrator\Desktop\EatonWizard.application resulted in exception. Following failure messages were detected:
+ Exception reading manifest from file:///C:/Documents%20and%20Settings/Administrator/Desktop/EatonWizard.application: the manifest may not be valid or the file could not be opened.
+ Manifest XML signature is not valid.
+ SignatureDescription could not be created for the signature algorithm supplied.
COMPONENT STORE TRANSACTION FAILURE SUMMARY
No transaction error was detected.
WARNINGS
There were no warnings during this operation.
OPERATION PROGRESS STATUS
* [10/10/2012 2:05:02 PM] : Activation of C:\Documents and Settings\Administrator\Desktop\EatonWizard.application has started.
ERROR DETAILS
Following errors were detected during this operation.
* [10/10/2012 2:05:02 PM] System.Deployment.Application.InvalidDeploymentException (ManifestParse)
- Exception reading manifest from file:///C:/Documents%20and%20Settings/Administrator/Desktop/EatonWizard.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, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
--- Inner Exception ---
System.Deployment.Application.InvalidDeploymentException (SignatureValidation)
- Manifest XML signature is not valid.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.Manifest.AssemblyManifest.ValidateSignature(Stream s)
at System.Deployment.Application.ManifestReader.FromDocument(String localPath, ManifestType manifestType, Uri sourceUri)
--- Inner Exception ---
System.Security.Cryptography.CryptographicException
- SignatureDescription could not be created for the signature algorithm supplied.
- Source: System.Security
- Stack trace:
at System.Security.Cryptography.Xml.SignedXml.CheckSignedInfo(AsymmetricAlgorithm key)
at System.Security.Cryptography.Xml.SignedXml.CheckSignatureReturningKey(AsymmetricAlgorithm& signingKey)
at System.Deployment.Internal.CodeSigning.SignedCmiManifest.Verify(CmiManifestVerifyFlags verifyFlags)
at System.Deployment.Application.Manifest.AssemblyManifest.ValidateSignature(Stream s)
COMPONENT STORE TRANSACTION DETAILS
No transaction information is available.
I had the same problem today. This is how I solved:
What caused the problem:
We created a clickonce project using vs2012 and framework 4.5.
Then we changed the target framework to 4.0 (client asked to).
The problem is: Framework 4.5 uses SHA-256 algorithm for the signature, and 4.0 uses SHA-1. When we changed the target framework to 4.0 and vs2012 didn't changed the algorithm.
Solution: Change the algorithm manually, generating a new certificate.
Go to Project properties -> signing
You will see the algorithm that is being used in 'Signature Algorithm'. You can create a new test certificate and then you will notice that it changes to 'sha1RSA'
Note, I would have added this as a comment, but due to silly Reputation rules, I can only add an answer!
Beware new code signing certificates
I had this problem recently because our Code Signing certificate needed renewal. So, being blind to the fact that Microsoft haven't patch the XP version of Framework 4 to work with SHA2 certificates during ClickOnce deployment, I told all my clickonce projects to use the new code signing certificate.
As I also do code-based updates of the app rather than just let Microsoft handle it, so that it's a more seamless experience to the end user without them required to press buttons and in the style of my app.
However, I hit a bug where my program didn't report the manifest error, instead it just hung (my bad!). In order to get an update our after working until 3am to discover this problem, I had to create a temporary certificate issued by Visual Studio. The problem with that? Code updates are not seamless any more because microsoft put a stupid dialog up as the publisher is unknown!
So my biggest concern is that yes, OK, XP is not supposedly supported from Monday but that shouldn't mean the Framework 4 shouldn't accept the new certificates if that's what they are pushing to everyone. Microsoft are even actively involved in that push!
The only working answer is as above, you MUST use Visual Studio to create an untrusted temporary certicate, which is rediculous!!! (I still have hope that maybe I didn't find the correct way to use the new certicate)

install works but unable to run the application

This is a Windows 7 machine with Service Pack 1, and I published a C# WPF application using x86 target platform configuration since it also needs to be installed on XP machines.
The problem I'm dealing with is becoming a nuisance. The application runs fine in Visual Studio 2008 debug mode. After running the setup executable generated from publishing, the installation completes successfully (or at least appears that way), but when it attempts to open, I get the Application cannot be started. Contact the application vendor. message box.
Here is the Error Summary section of the log file:
ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed later in the log.
* Activation of http://ServerPath/MyApplication_Install/Release/x86/MyApplication.application resulted in exception. Following failure messages were detected:
+ Value does not fall within the expected range.
And the Error Details section:
ERROR DETAILS
Following errors were detected during this operation.
* [9/12/2012 8:15:42 AM] System.ArgumentException
- Value does not fall within the expected range.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.NativeMethods.CorLaunchApplication(UInt32 hostType, String applicationFullName, Int32 manifestPathsCount, String[] manifestPaths, Int32 activationDataCount, String[] activationData, PROCESS_INFORMATION processInformation)
at System.Deployment.Application.ComponentStore.ActivateApplication(DefinitionAppId appId, String activationParameter, Boolean useActivationParameter)
at System.Deployment.Application.SubscriptionStore.ActivateApplication(DefinitionAppId appId, String activationParameter, Boolean useActivationParameter)
at System.Deployment.Application.ApplicationActivator.Activate(DefinitionAppId appId, AssemblyManifest appManifest, String activationParameter, Boolean useActivationParameter)
at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
There are other ClickOnce questions on here that deal with Microsoft.Vbe.Interop, Version=14.0.0.0 - that does appear in this log file under the OPERATION PROGRESS STATUS section, but it doesn't say the assembly needs to be installed in the Global Assembly Cache.
* [9/12/2012 8:45:19 AM] : Detecting dependent assembly Microsoft.Vbe.Interop, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C, processorArchitecture=msil using Microsoft.Vbe.Interop, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c, processorArchitecture=msil.
* [9/12/2012 8:45:19 AM] : Detecting dependent assembly Microsoft.Vbe.Interop, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C using Microsoft.Vbe.Interop, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c.
Do I need to remove leftover files/folders from previous installations? That's my gut feeling, but I don't know where to look inside the AppData/Local/Temp or Windows/System32 folders.
Edit
I did some deep digging and found the executable for my application here:
C:\Users\MyUsername\AppData\Local\Apps\2.0\A30V87AA.25Q\PQ06CCDW.CYM\wpfb..tion_41f7e986af356c0c_0004.0004_b15da840f06645a3\MyApplication.exe
It loaded up without any errors. And to confirm this was from the installation, not my source code, I did an uninstall in Control Panel, checked that directory and all the files were gone.
After re-installing from setup.exe, a different set of jibberish folder directories were made, but I was still able to run the application.
So why does the Application cannot be started. Contact the application vendor. message pop up after installation, even though there is a working copy deep inside the AppData directory?
Edit #2
As suggested by jvanh1, I ran as an administrator to see if that made any difference. Unfortunately it didn't.
I was forced to checkout the latest tagged version and do some manual copy/pasting - the subsequent publish actually worked. The more important issue here is that we never have used branching before in our version control (at least not for this application), so I convinced my manager to let me give it a shot.
I will continue to investigate what caused this annoying ClickOnce publish problem in the first place - my guess is different sets of references in the tagged version vs. my working copy.
I encountered a very similar issue, it turns out one of the reference dll was moved but the hintpath wasn't updated. VS didn't warn me, instead it automatically referenced the GAC copy, causing a prerequisite change. I fixed the issue by replacing the GAC reference with local dll reference.

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