Unable to install or run the application: Click Once

user_1029771 0
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I published my .net application using ClickOnce, and all my users get the following error message on trying to open the program:

"Unable to install or run the application. The application requires that assembly Telerik.Windows.Data Version 2012.1.215.40 be installed in the Global Assembly Cache (GAC) first".

The version I actually use in my application is NEWER than the one mentioned in the error message. I also don't have this problem on my machine which I use to develop the application. I wonder why it is looking for the older version of the dll. I can't find where it is referenced by my application.

Could you please help me on this?

clickonce .net
4 Answers

if two version of the same dll referred across the dependent projects then that would be one of the root cause of the error.

It happened to me and complaining about NLog.dll, What I found is that my app referred one version of Nlog.dll and my library projects referred another version of Nlog.dll and manifest listed one version as dependency(install) and another version as dependency(requisite i.e. need to be present in the system even copy to local set to true).

user_10941400
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