Now we need to understand why does the project fail?.... In one line we can say... "Bad project management"
Well when it comes to project management as a whole is contributed with many miscalculated measures that are directly attributed to the whole of the project impression.
One major aspect of this attribues is: Risk
Learn how to identify and manage risk that will increase 50% of chance that you can make your project a success.
Why only 50? because there are many other aspects that will also lined up in your project bad practices that will kill your time and make you a better unmanager.
Destination Failure
What Made Gertie Gallop? : Learning From Project Failures
Public sector information system project failures: Lessons from a New Zealand hospital organization [An article from: Government Information Quarterly]