There is no warranty on a tune.
Sure you may have some warranty on a freshly built motor.
Once you enter the modifying game it's fingers crossed and hope for the best.
As for the ops problem.
What mods do you have? Have you done anything to check?
Does it turn over?
Do you have spark?
Do you have fuel?
Have you popped a intercooler hose?
Are your spark plugs black and or wet?
Come on mate. I know your tuner may not be helping you which is a dog act. However, try and sort some of the basics before blowing your top.
If you have already done all of this then please continue.