Solution : https://service.sap.com/sap/support/notes/387756 (SAP Service marketplace login required)
Key words : 
date      topic            short description========================================================================, solution send addition, symptom sap installation, constable@sap, informix reason, installation guidelines, change requests, chronological order, installation, prerequisites
Related Notes : 
       
| 387745 | Inst.: 4.6C SR2 R/3 Inst. on Windows (general) |