If the cube is unprocessed, you can't see it in Excel or browse it in any other client application.
If it fails to process, it will remain unprocessed. If it completes with errors, you'll be able to see it with wrong information.
Luis C.
General Disclaimer:
Are you seriously taking the advice and code from someone from the internet without testing it? Do you at least understand it? Or can it easily kill your server?
How to post data/code on a forum to get the best help: Option 1 / Option 2