FM 10 S1000D error

Hi,

I've intstalled the S1000D pack in FM10. However, when I try to open a new DM I get the following message:

XML Read Report Log

     June 22, 2012 10:52 am

     Source Document: C:\Users\Anil.sahoo\Desktop\New folder\DMC- ATK-A-02-0102-pc-00A-020B-A_001-00_EN-US.xml

        XSLT Processor Messages

     Error at file , line 0, char 0, Message: The primary document entity could not be opened.

     Id= file:///C:/Users/Anil.Sahoo/Desktop/S1000D/xml_schema_doc/brex/DMC-AT K-D-05-0405-br-03D-050E-D_EN-US.xml

     Error in XSL transformation. Stopped file opening.

Any suggestions would be much appreciated.

Thanks,

Anil