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visual-studiodebuggingcomexceptionvshost32

VSHost crash, REGDB_E_INVALIDVALUE loading Specific Project

Whenever I load a solution in Visual Studio with a specific project set as the startup project, I get a VSHost32.exe crash. If I keep on going and launch the application, I get a COMException:

{"Invalid value for registry (Exception from HRESULT: 0x80040153 (REGDB_E_INVALIDVALUE))"}

With a stacktrace:

at System.Runtime.InteropServices.RuntimeEnvironment.GetDeveloperPath()
at System.AppDomain.SetupFusionStore(AppDomainSetup info)
at System.AppDomain.SetupDomain(Boolean allowRedirects, String path, String configFile)
Solution

  • This can occur when a project's config file has developmentMode set, but the machine doesn't have a devPath set.

    <runtime>
    <developmentMode developerInstallation="true"/>
</runtime>

    Removing that will fix it up.