OCS Installer Compilation Requirement
Download and install Nullsoft Install System (
http://nsis.sourceforge.net
)
Install KillProcDLL plug-in
Download KillProcDLL plug-in (
http://nsis.sourceforge.net/mediawiki/images/5/53/KillProcDll%26FindProcDll.zip
)
Extract and Copy KillProcDLL.dll to your NSIS plug-ins directory (C:\Program Files\NSIS\ Plugins)