Hi
Thanks for your reply
The document you gave url for is the document I followed for installation.
sudo apt-get install -y binutils libgtk2.0-0 sed gcc libc6 reported all exist and current
Tried uninstall using purge and then reinstalling, got following messege on completion
of install, if it helps
Detected Intel High Definition Audio (PCH)
USB support available in the system, adding USB driver
Detected Generic USB audio/MIDI device (BETA)
-----------------------------
Forcing re-detection of installed sound cards
Starting Open Sound System
************************************************************
* NOTE! You are using trial version of Open Sound System *
************************************************************
Processing triggers for man-db ...
Processing triggers for menu ...
graham@graham-laptop:~$
The reinstall gives the same results as previously, There is a flash to screen on operating thre launcher button, but thats all.