- Observe: observe bug. - Orient: check code that maybe involved, check in environment related variable values. - Decide: decide what you will change in your

- Observe: observe bug. - Orient: check code that maybe involved, check in environment related variable values. - Decide: decide what you will change in your code to try to fix bug. - Act : implement fix. Repeat all steps until you found fix. Of course you can use different approach to debugging but this one works quite well too.