User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); nl; rv:1.9b2) Gecko/2007121016 Firefox/3.0b2 Build Identifier: Mozilla/5.0 (X11; U; Linux i686 (x86_64); nl; rv:1.9b2) Gecko/2007121016 Firefox/3.0b2 The whole interface looks like it is zoomed by 200%, I'll attach a screenshot to show the problem. Reproducible: Always Steps to Reproduce: 1. Download firefox beta 2 (dutch version) 2. Extract the firefox-3.0b2.tar.bz2 3. Run firefox by using the firefox script in the extracted directory Actual Results: A user interface (toolbar and tabs) which is signaficant larger then all other programs Expected Results: A normal sized toolbar, menu etc.