Regarding Installation of ecc 6.0 ehp5

Sir ,

When I am trying to Install oracle 10.2.0.4 which came with the shipment oraclefailsafe for windows 2008 R2 oracle installer can't start

shows error only support OS version 5.0,6.0 . actual version 6.1

Server is of 380 GL series.

Also I tried to install oracle 11.2 then the database is installed but when i am running sapinst it ask for oracle client if i gave oracle 11.2 client then it asking for oracle 10g client with the cd lablel and if in this case I gave oracle 10g client then on the phase of creating database it shows the error that duplex destination of log archives can't be created and stop the installation.

can u please describe be how can i carry on the installation.

Thanks

Nirvikar Saxena