Error Microsoft Expression Belnd 4 service pack1 cannot be instaled because the program to be upgraded either is missing or is the wrong version. please verify that you have the correct version of the program installed on your computer .

Download
http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=5915
Then
http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=24036