User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-US; rv:1.2b) Gecko/20021016 Build Identifier: Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-US; rv:1.2b) Gecko/20021016 2 pane mail window collapsed to very small cursor like size, 3 pane window okay. acts as if h,w(d?) all at zero. You can click on it and it has a presence but you can not see inside it. file/edit/view etc. may work, but it is so small, actions not seen. Reproducible: Didn't try Steps to Reproduce: 1. 2. 3. Can use 3 pane mail browser to view mail

You probably clicked the maximize widget and thus trigerred bug 167663. *** This bug has been marked as a duplicate of 167663 ***