ClickOnce: The required version of the .NET Framework is not installed on this computer.

Question

I get the error "Required version of the .NET Framework is not installed on this computer." (Event ID 4096 in the event log) when trying to install a VSTO application from either a ClickOnce deployment or a local copy. This is interesting since the .NET platform is installed (on my 32-bit PC with Windows 7), and the VSTO application was developed on one computer (and works in Visual Studio 2008).

Does anyone have an idea why I can get this exception?

Name: From: http: //localhost/BlaBla.vsto

"Required .NET version. Frame is not installed on this computer."

************** Exceptional text *************** Microsoft.VisualStudio.Tools.Applications.Deployment.InstallAddInFailedException: Msgstr "Required .NET version. Frame not installed on this computer. " Microsoft.VisualStudio.Tools.Applications.Deployment.ClickOnceAddInDeploymentManager.InstallAddIn () at Microsoft.VisualStudio.Tools.Office.Runtime.SolutionInstaller <. > C__DisplayClass7.b__0 ()

Answer 1

After checking the obvious reasons (see comments), it seems that Windows 7 is the reason. Despite the fact that many people are “switching” to Win7, this is still a beta version.

Several considerations come to mind:

• Can you check the installation of clickonce on XP or Vista?
• AutoUpdates?

Answer 2

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Answer 3

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Answer 4

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