@Lenin @darklord I asked him to delete ./mozilla folder as a last resort (if the problem continues) not as the first step..
first step is just to kill the process and restart the app that's all. -- Thanking you Shahriar Volunteer, Bangladesh Linux Users Alliance http://linux.org.bd http://forum.linux.org.bd Marketing & Contents Officer, Ubuntu Bangladesh http://www.ubuntu.linux.org.bd Endorsement: আমাদের প্রযুক্তি ফোরাম http://forum.amaderprojukti.com/ and মুক্ত.অর্গ http://mukto.org -- Ubuntu Bangladesh | http://ubuntu-bd.org ubuntu-bd@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bd