Hey bud just try using nonmanifold when you clean up. If you get the high lighted part with just the nonmanifold option clicked on then sometimes not always you need to hit the delete button and if fixes it. I only use the nonmanifold option in cleanup about 90 percent of the time.
If you dont get it i'll talk with you on ICQ mate.
I am enough of an artist to draw freely upon my imagination, knowledge is limited, imagination encircles the world. (Albert Einstein)