Also, there are problems with posting here. Whenever I make a mistake and need to use backspace, it goes back up the previous line and starts erasing characters I don't want erased, and changes the font size to a much smaller size. It took me at least 2 or 3 edits to get that previous post right.
As for what's being deleted, my extensions, as well as my homepage settings, were what got deleted when I used CCleaner.