Undertaker it came up clean.
It came up clean (no infection) or it cleaned it?

I'd be thinking about following Symantec's instructions for manual removal. If you're having that much trouble getting the tool to run are you going to trust the results if it does run?

I'd do the extra work just to double check and be safe.

http://securityresponse.symantec.com...chia.worm.html