This hotfix addresses issues related to color fills in projects.
Make sure that Update Release 2 has been applied prior to adding the hotfix. Verify that the build number of Revit 2011 is 20100903_2115.
The Readme contains the latest information regarding the installation and use of this update. It is strongly recommended that you read the entire document before you apply the update to your product. For your reference, you should save the Readme to your hard drive or print a copy.