http://www.quiltingboard.com/sitemap/f-27.html
You can also get to this list by clicking on "ARCHIVES" at the bottom of the page, and then clicking on the QB Help Center link, it's the last one in the list.
Scroll down the list and see if you can't find a post about the same problem you're having.
This is why it's a good idea to make sure to have a specific title to your posts, so that the person looking for something has a better idea of what a post is about.