Why are signed assemblies slow to load?

Question

I encountered a strange problem this week that I can\'t explain: I switched my application to use the signed version of some third party assemblies (Xceed Grid and some of t

Answer 1

Loading signed assemblies will definitely be slower than non-signed counterparts because signature needs to be verified, but this should be completely negligible.

Passing from 5 seconds to 90 seconds?? I think you need to contact the assembly author and ask them if they changed only the signature :-)