Gshooter

Thank you walt.farrel, perfect answer. I was trying to open it as zip. works perfectly now.
 
Thanks Callum for your input.  not needed now but I am sure there will be other times. 
.

Information was clear,succinct and to the point. No hostility apparent  there.

Thanks for answering AiDon.
I actually got the plugin working again by doing a complete shutdown and restart. Don't know why it didn't work the first time but all OK now.