I tried to reproduce the issue, but everything works fine at our side. WPF VSExtensions were sucessfully upgraded from version 2011.2.915.0 to 2011.3.1116.0.
I would suggest the following steps that could workaround the problem though:
- Open Visual Studio 2010 and go to Tools -> Extension Manager...
- Uninstall Telerik WPF VSExtensions available in the Installed Extensions section of the Extension Manager.
- After that restart VS2010 if it prompts to.
- Go to the Online Gallery section in the Extension Manager and search for Telerik WPF VSExtensions. Download and install them and restart VS2010.
I hope this will help.
the Telerik team
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