That's great! It would actually be more helpful for everyone else if you described how you solved the problem. Then edit the thread title to add "[SOLVED]" to it.
The only "solve" I have found is to deal with it, although I notice that it only happens when an add comes on the screen or when that little box pops up showing what the next video is.
On the AC website, go to the thread, and click on the Edit Post button under your first post. Then click on Advanced. You should be able to edit the thread title there.
As for your initial problem, I'm sorry no one else could come up with a solution. Problems that aren't common won't always get a satisfactory answer. I think we already went over the inability to wipe the cache partition in another thread.