here we get the install file....
"CRRedist2008_x86.msi" (for 32bit)
http://resources.businessobjects.com/support/downloads/redistributables/vs_2008/redist/x86/CRRedist2008_x86.msi
"CRRedist2008_x64.msi" (for 64bit)
http://resources.businessobjects.com/support/downloads/redistributables/vs_2008/redist/x64/CRRedist2008_x64.msi
Hope this may help friends who are looking and facing this problem....