Ensure .NET 4.0 Full Framework is installed. (Available from http://www.microsoft.com/download/en/details.aspx?id=17718)
Ensure the NFO ID fix is applied when transitioning from versions prior to 3.416b. (Details here)

General
(none)
TV
(none)
Movies
Fixed IMDB Scraper to handles changes from IMDB

Known Issues
Multiepisodes are not handled correctly in MC. The created nfo is valid, but they are not displayed in MC correctly & saving them from MC converts them back to a single episode. We are working on a resolution.

Cheers
MC Dev Team