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

Unloading and reloading the problem project solved it for me.

Answer 2

Try with update-package -reinstall -ignoredependencies

Answer 3

I've had this problem. It happened because i had many projects pointing to the same assembly but from different versions. I solve it selecting the same version to all projects in my solution.

Answer 4

If its a mismatch of a dependencies dependencies, go to the NuGet package manager at the solution level and check the Update and Consolidate tabs, harmonise it all.

Answer 5

If you have changed your assembly version or copied a different version of the managed library stated in the error you may also have previously compiled files referencing the wrong version. A 'Rebuild All' (or deleting you 'bin and 'obj' folders as mentioned in an earlier comment) should fix this case.

Answer 6

I went to publish, application files, found the dll throwing the error changed it to 'Include' from 'Include (Auto)'. I can now publish.