scom 2007 r2 cumulative update 2 (cu2) update notes

Download it here

Microsoft’s KB article on it

Installing it

Applying update to a clustered RMS

If the install fails and you need to run it again, this is where it installs it (on an x64 system)

C:Program Files (x86)System Center 2007 R2 Hotfix Utility

If the install fails and you need to run it again, this is where it installs it (on a 32bit system)

C:Program FilesSystem Center 2007 R2 Hotfix Utility

If the install fails, this is probably why