Unable to Launch Cloudera manager in quickstart VM

Hi, I am unable to connect to cloudera manager.at times it connects, most of the time I am stuck in a window,where it says attempting to connect to cloudera manager and it gets stuck forever…It is not the issue with network,I can connect to google from VM. Could some one please let me know how what could be the issue i searched most of the forums but did not get any solution which suits my problem.
I tried giving --force --express from terminal, But it is also not working…

I am also facing same problem. It could be due to low RAM. I have 12Gb RAM but facing same issue. We may need 16GB RAM.