Thank you all guys for your involvement in supporting Martin. The workaround for 4.1 is to clear your cache which was officially resolved with our 4.1 Service Pack 1 release that you can download from your account.
Please let me know if you need further assistance.
the Telerik team
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items