I am unable to open & run Minecraft.jar in LL2.4
It's downloaded, but doesn't seem to respond when made executable - not wanting to run with OpenJDKJava 7 Policy Tool
Any help much appreciated as am trying to set up for my young son.
Many thanks
Mike
PS: this response was marked GREEN in error - the administrator was informed but, at the time, was unable to remove the green highlighting. I have posted a solution (taken from the Ubuntu handbook), which worked for me, which is shown at the end or towards the end of this thread.