Error:unexpected error ocurred error in
Error:unexpected error ocurred error in the application
in tab Calculation in analysis services
if you have visual studio 2005 and 2008 installed in your pc. you must copy the dlls:
msmdlocal.dll and msmgdsrv.dll
from %ProgramFiles%\Microsoft Visual Studio 8\Common7\IDE\PrivateAssemblies\
or
from %ProgramFiles%\Microsoft Visual Studio 2005\Common7\IDE\PrivateAssemblies\
to %ProgramFiles%\Common Files\System\Ole DB\