Mixed mode assembly is built against version ‘v2.0.50727’ of the runtime and cannot be loaded in the 4.0 runtime

app.config dosyasını şöyle değiştirin:

<?xml version=”1.0″ encoding=”utf-8″ ?>
<configuration>
 <startup useLegacyV2RuntimeActivationPolicy=”true”>
<supportedRuntime version=”v4.0″ />
</startup>

<runtime>
<generatePublisherEvidence enabled=”false” />
</runtime>
</configuration>

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