Relevant section of install log (all else was successful):

--------------------------------------------------------------------------------
Machine : FREGE
Product : SQL Server Database Services
Error : The installer has encountered an unexpected error.
The error code is 2259. Database: Table(s) Update failed
--------------------------------------------------------------------------------

I'm not the only one with this error:

http://www.google.com/search?source=...=Google+Search

But all is not lost - the most helpful Microsoft folks at least
provided extensive online help with this error:

http://www.microsoft.com/products/ee...amodify%40x65b


Good job Microsoft, good job.