Alex, thank you for your attention! I did as you told and I am now attaching the unity.log file. I really hope it helps!
** Attachment added: "unity.log" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/731790/+attachment/1897673/+files/unity.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/731790 Title: Multiple quick clicks on launcher icon with multiple windows completely crashes Unity -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs