kotowvr - 2014-08-25

I also encountered a similar problem with both stable release and development snapshot. Looking around for that error yielded that this is probably a bug in Eclipse swt.jar:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=407077
https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1242029/comments/10

You can download the latest swt.jar with the bug fixed from here:

http://download.eclipse.org/eclipse/downloads/drops4/R-4.4-201406061215/#SWT

and put it either in

/usr/share/java/

if you are using tuxguitar installed from repositories or in

/path/to/tuxguitar/dev/snapshot/TuxGuitar-testing/platform-linux-x86_64/lib/

if you use a development snapshot.

The problem is that in this case the settings menu does not display any options.