No matches were found for subject:"\[Bug 1714502\] Re\: first of all i found lock icons in my home directory to all folder then i restart the computer and it would't let me login even if i entered correct password after that i try to install ubuntu from bootable pendrive through which i installed ubuntu and here i am with another error and i formated my ubuntu and i can not install again tell what should i do\?\?\?can you guide me for how to become a ubunut devloper i am an IT engg. and right now i have an job in india in the feild of website desing in flask micro webframework."