If you got an svn checkout of GBrowse and it isn't working, it is probably because you checked out from the svn HEAD, which is the main development branch. Unfortunately, that branch is often unstable due to some major reworking which will make GBrowse much better. In the mean time (that is, until this README disappears), please check out from the stable branch. You can use almost the same svn command: svn co https://gmod.svn.sourceforge.net/svnroot/gmod/Generic-Genome-Browser/branches/stable Generic-Genome-Browser Thanks, Scott Cain cain@cshl.edu