On September 7, 2010 Microsoft released a SharePoint Foundation 2010 hot fix that addresses issues with EBS. The hot fix addressed the following issues.
- You upload a file through the Windows Explorer view or through the Microsoft FrontPage remote procedure call (RPC).
- You upload files by using the Multi-File upload control.
- You create a publishing site
The hot fixes is recommended ff you are running SharePoint Foundation 2010 or SharePoint Server 2010 with an EBS provider enabled. More information about the hot fix including a download link can be found here.