Why am I getting 'Assembly '*.dll' must be strong signed in order to be marked as a prerequisite.'?

Question

I\'m trying to compile my excel addin using C# 4.0, and started to get this problem when building my project in Visual Studio. It\'s important to tell you that I haven\'t had th

Answer 1

There were too many projects in my solution to go through and individually update so I fixed this by:

• Right-clicking my solution and selecting 'Manage NuGet Packages for Solution...'
• Going to the Updates tab
• Finding the affected package and selecting Update
• Clicked OK and this brought all instances of the package up to date