User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; de-AT; rv:1.7) Gecko/20040616 Build Identifier: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; de-AT; rv:1.7) Gecko/20040616 no visible content in the pane left. mouseclicks do not succeed to select anything there, cursor up & down change selection, but does not change righthand-side content (which keeps to be the first selection), nothing readable left at all. closing the dialog. now you can not open the Preferences until you quit & restart mozilla. Reproducible: Always Steps to Reproduce: 1. 2. 3. Expected Results: Preferences should be selectable & changeable!

*** This bug has been marked as a duplicate of 237279 ***