How to allow to run only one copy of prog.gambas? I tried to: Shell ["killall", "prog.gambas"] on form open... But there is no such a process when prog.gambas is running/ -- View this message in context: http://old.nabble.com/Prog.gambas-only-one-process-tp33491262p33491262.html Sent from the gambas-user mailing list archive at Nabble.com.