Ableton Forum

Hi have loaded Midi file ,have Midi tracks and there is info in Clip area.
when launch individual tracks no output ?
Routing ,
Midi from , All ins,All channels
Monitor auto
Midi to, Saffire 6USB , channel 1
Other sets ok , so setup of Saffire ok.
Any ideas, got to my in experience but we all ...

Am new to Ableton 8.2.2 , have downloaded some Latin Percussion ,
when loaded, said needed to be Authorized, went to page but wanted an APPLICATION to open ?
What was this how to proceed?
Help appreciated.
Mark