When I open a fresh instalation of playonlinux, it gives 2 dialog box as mentioned in title:

playonlinux is unable to find 32bits OpenGL library

playonlinux is unable to find 64bits OpenGL library

I am using Ubuntu 12.04 (and new to it) and would like to know how to solve this problem

EDIT TERMINAL OUTPUT

~$ playonlinux

[main] Message: PlayOnLinux (4.1.8) is starting

[clean_tmp] Message: Cleaning temp directory

Xlib:  extension "GLX" missing on display ":0".

Xlib:  extension "GLX" missing on display ":0".

[Check_OpenGL] Warning: 

Xlib:  extension "GLX" missing on display ":0".

Xlib:  extension "GLX" missing on display ":0".

[Check_OpenGL] Warning: 

[main] Message: Filesystem is compatible

[install_plugins] Message: Checking plugin: Capture...

[maj_check] Message: Web version : 1349866727

[maj_check] Message: Current local version : 1349563245

[maj_check] Message: Updating list

[install_plugins] Message: Checking plugin: ScreenCap...

[install_plugins] Message: Checking plugin: PlayOnLinux Vault...

/usr/share/playonlinux/bash/startup_after_server: line 38: [: : integer expression expected

/usr/share/playonlinux/bash/startup_after_server: line 38: [: : integer expression expected

[POL_Config_Write] Message: Config write: LAST_TIMESTAMP 1349866727

EDIT Nvidea print screens

What it says: