It includes the fix for the install error upgrading to IBM Notes Standard 9.0.1 Fix Pack 5 from earlier 9.0.1 Fix Pack or Hotfix (technote 1972353).
Notes/Domino 9.0.1 Fix Pack 5 addresses defects in the Client, Server, Notes Browser Plug-in and Domino OpenSocial component. All Fix Packs are language independent and may be applied on any language version of Notes/Domino 9.0.1.
IBM has identified important Notes/Domino SPRs to be fixed in the latest Fix Pack release, 9.0.1 Fix Pack 5.
9.0.1 Fix Pack 5 is a collection of low-risk, high-impact fixes to help customers safely avoid known issues. IBM strongly recommends that customers running Notes/Domino 9.0.1x upgrade to this latest Fix Pack since it addresses a small percentage of defects that impact the broadest set of customers.