Solution : https://service.sap.com/sap/support/notes/663375 (SAP Service marketplace login required)
Key words :
sap -> end user content -> standard portal users', step 4 mentions files called <number>_com, choose 'content administration -> portal content', choose 'portal content -> content provided, apply sap j2ee pl 16, -click 'default framework page', top-level navigation bar, /additional/sapinstdir windows users, -> patches & hotfixes -> installing patch 1, sap service marketplace
Related Notes :
| 637702 | Central Note - EP 6.0 SP1 Installation |