DESCRIPTION: Unable to open cloudera 4 and onwards.It will say something like virtualization error.No error in cloudera 3rd version.
SOLUTION: You have to enable virtualization of your system.
♦ Restart the system.
♦ Open BIOS setting (F10 in HP machines)
♦ Open system configuration in BIOS settings.
♦ Enable the virtualization.
♦ Save changes.
♦ Now go back to cloudera and reopen it. Now It will work fine.