Comment #2 on issue 1030 by ramon.tayag: Ubuntu 10.04, Firefox 3.6.12: "Google Gears" could not be installed because it is not compatible with your Firefox build type (Linux_x86-gcc3)
http://code.google.com/p/gears/issues/detail?id=1030
Same problem on Firefox 3.6.13. Xubuntu 10.10
