[rockyrocks23june]

I am trying to install OpenFOAM-1.5 on my desktop on Ubuntu 9.04.

I followed the installation instructions but I keep getting hung up on the last step.
I try to source the bashrc file first, but it gives me this output.

rockey@ubuntu:~$ source $HOME/OpenFOAM/OpenFOAM-1.5/etc/bashrc
Warning in /home/sumontro/OpenFOAM/OpenFOAM-1.5/etc/settings.sh
Cannot find /home/sumontro/OpenFOAM/ThirdParty/gcc-4.3.1/platforms/linux installation.

Please install this compiler version or if you wish to use the system compiler,
change the WM_COMPILER_INST setting to 'System' in this file

bash: ./home/sumontro/OpenFOAM/OpenFOAM-1.5/etc/bashrc: No such file or directory

then I change the compiler to system and this is what I get
rockey@ubuntu:~$ source $HOME/OpenFOAM/OpenFOAM-1.5/etc/bashrc
bash: ./home/sumontro/OpenFOAM/OpenFOAM-1.5/etc/bashrc
No such file or directory
I am a new user to Linux and I have very little programming experience.
However, I need to get OpenFOAM working. I would really appreciate the help.