I believe this issue was caused by a divide by zero error in gtk-window- decorator causing it to crash. This problem should be fixed in the 0.3.6 compiz packages. Please reopen if it's not.
** Changed in: compiz (Ubuntu) Status: Needs Info => Fix Released -- Maximize/minimize buttons causes Epiphany to lose window borders https://launchpad.net/bugs/75972 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs