Application Web.Config
...
<
system.web>
<customErrors mode="Off" />
<compilation debug="true" strict="false" explicit="true" targetFramework="4.5" />
<httpRuntime targetFramework="4.5" />
</system.web>
...
Just updated my control set to the Q3 2012.
5 Answers, 1 is accepted
The issue described looks like a known issue that is observed when one serialize generic types as described in this article. Please try the suggestions there and let us know if you still observe the error.
Hope this will be helpful.
Plamen
the Telerik team

The upgrade patch cannot be installed by the Windows Installer service because the program to be upgraded may be missing, or the upgrade patch may update a different version of the program. Verify that the program to be upgraded exists on your computer and that you have the correct upgrade patch.
I'm running Windows Server 2008 R2 Standard SP1 x64.
My System.Runtime.Serialization for .Net 3.0 = 3.0.4506.5452
Any ideas on where to go from here?
Please refer to this blog post where is provided extended explanation how we recommend to Updating RadControls for ASP.NET AJAX to another version or license.
Hope this will be helpful.
Plamen
the Telerik team

System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.InvalidOperationException: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms. at System.Security.Cryptography.MD5CryptoServiceProvider..ctor() --- End of inner exception stack trace --- at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.Security.Cryptography.CryptoConfig.CreateFromName(String name, Object[] args) at System.Security.Cryptography.MD5.Create() at Telerik.Pdf.Security.SecurityManager.CreateOwnerEntry(SecurityOptions options) at Telerik.Pdf.Security.SecurityManager..ctor(SecurityOptions options, FileIdentifier fileId) at Telerik.Web.Apoc.Pdf.PdfCreator.SetOptions(PdfRendererOptions options) at Telerik.Web.Apoc.Render.Pdf.PdfRenderer.StartRenderer() at Telerik.Web.Apoc.Fo.FOTreeBuilder.Parse(XmlReader reader)
Does the export to pdf use MD5? I'm at a loss on where to go from here. I really do not want to drop these controls from our current and future projects.
Our PDF export is based on 1.3 specification which does not allow FIPS-compliant algorithms to be used. We are currently researching other options, but I'm afraid I could not give you more specific information at this point. This is not something a "quick fix" could achieve but you can be sure that we will not ignore the problem.
Please excuse us for any inconvenience caused.
Best regards,
Daniel
the Telerik team