Option actions

Consider the following

Don't hesitate, be proactive, investigate
Examine the source of potential failure
Re-examine the justification for the project
- Can the justification be redirected in some way?
Compare the closing cost to the cost of continuing
- Remember, the cost-to-date is sunk cost
Re-do your risk analysis
Seek objective advice
Involve your team (of course!)
Document your logic and resulting findings