C# Runtime Error: Mixed mode assembly is built against version 'v2.0.50727' of the runtime and cannot be loaded in the 4.0 runtime without additional configuration information.

madeinstein , 
Add <startup> tag to the bottom of app.config file
<?xml version="1.0"?>

<configuration>

  <startup useLegacyV2RuntimeActivationPolicy="true">

    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>

  </startup>

</configuration>

Comments

  1. Brayden Enos7 April 2012 at 12:22

    Sometimes a small or an single addition can make the whole process work just should know where to place that exact thing. I think this should work for me, will give it a try.

    ReplyDelete

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