Solution : https://service.sap.com/sap/support/notes/535180 (SAP Service marketplace login required)
Key words :
directory\general\r3server\patches\rel620\nt\i386, server running sap gui 6, directory winnt\system32, symptom sap gui 6, terms sap gui 6, sapcar_m -xvf librfc_n, sar sapcar_m, file librfc_n, enterprise portal, support package
Related Notes :
| 523079 | Patch 1 of Support Package 3 for Enterprise Portal 5.0 |
| 511385 | Central Note for Upgrader EP 5.0 SP2 to SP3 |
| 510074 | Central Note for EP 5.0 SP3 Installation |