I am an undergraduate student .I was trying to configure X server on ubuntu Virtual Box. I executed foolowing commands sequentially 1. ./configure 2. make 3. make install For configuration of X , I have tried installing all required packages and i got no errors. But when I checked the log I encountered following errors : This is a pre-release version of the X server from The X.Org Foundation. It is not supported in any way. Bugs may be filed in the bugzilla at <a href="http://bugs.freedesktop.org/">http://bugs.freedesktop.org/</a>. Select the "xorg" product for bugs you find in this release. Before reporting bugs in pre-release versions please check the latest version in the X.Org Foundation git repository. See <a href="http://wiki.x.org/wiki/GitPage">http://wiki.x.org/wiki/GitPage</a> for git access instructions. X.Org X Server 1.6.99.1 Release Date: (unreleased) X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-16-generic i686 Current Operating System: Linux azingo-desktop 2.6.24-16-generic #1 SMP Thu Apr 10 13:23:42 UTC 2008 i686 Kernel command line: root=UUID=f2132a4c-1a2f-4cce-96ab-44fd1cc6750d ro quiet splash Build Date: 21 August 2009 06:53:16PM Current version of pixman: 0.15.21 Before reporting problems, check <a href="http://wiki.x.org">http://wiki.x.org</a> to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/opt/MPX/var/log/Xorg.1.log", Time: Fri Aug 21 21:14:07 2009 (EE) Unable to locate/open config file: "/opt/mpx/xorg.conf" (II) Loader magic: 0x81dc6a0 (II) Module ABI versions: X.Org ANSI C Emulation: 0.4 X.Org Video Driver: 6.0 X.Org XInput driver : 7.0 X.Org Server Extension : 2.0 (--) using VT number 9 (--) PCI:*(0:0:2:0) 80ee:beef:0000:0000 rev 0, Mem @ 0xe0000000/8388608 (==) Using default built-in configuration (30 lines) (==) --- Start of built-in configuration --- Section "Device" Identifier "Builtin Default vboxvideo Device 0" Driver "vboxvideo" EndSection Section "Screen" Identifier "Builtin Default vboxvideo Screen 0" Device "Builtin Default vboxvideo Device 0" EndSection Section "Device" Identifier "Builtin Default vesa Device 0" Driver "vesa" EndSection Section "Screen" Identifier "Builtin Default vesa Screen 0" Device "Builtin Default vesa Device 0" EndSection Section "Device" Identifier "Builtin Default fbdev Device 0" Driver "fbdev" EndSection Section "Screen" Identifier "Builtin Default fbdev Screen 0" Device "Builtin Default fbdev Device 0" EndSection Section "ServerLayout" Identifier "Builtin Default Layout" Screen "Builtin Default vboxvideo Screen 0" Screen "Builtin Default vesa Screen 0" Screen "Builtin Default fbdev Screen 0" EndSection (==) --- End of built-in configuration --- (==) ServerLayout "Builtin Default Layout" (**) |-->Screen "Builtin Default vboxvideo Screen 0" (0) (**) | |-->Monitor "<default monitor>" (**) | |-->Device "Builtin Default vboxvideo Device 0" (==) No monitor specified for screen "Builtin Default vboxvideo Screen 0". Using a default monitor configuration. (**) |-->Screen "Builtin Default vesa Screen 0" (1) (**) | |-->Monitor "<default monitor>" (**) | |-->Device "Builtin Default vesa Device 0" (==) No monitor specified for screen "Builtin Default vesa Screen 0". Using a default monitor configuration. (**) |-->Screen "Builtin Default fbdev Screen 0" (2) (**) | |-->Monitor "<default monitor>" (**) | |-->Device "Builtin Default fbdev Device 0" (==) No monitor specified for screen "Builtin Default fbdev Screen 0". Using a default monitor configuration. (==) Not automatically adding devices (==) Not automatically enabling devices (WW) The directory "/opt/MPX/lib/X11/fonts/misc/" does not exist. Entry deleted from font path. (WW) The directory "/opt/MPX/lib/X11/fonts/TTF/" does not exist. Entry deleted from font path. (WW) The directory "/opt/MPX/lib/X11/fonts/OTF" does not exist. Entry deleted from font path. (WW) The directory "/opt/MPX/lib/X11/fonts/Type1/" does not exist. Entry deleted from font path. (WW) The directory "/opt/MPX/lib/X11/fonts/100dpi/" does not exist. Entry deleted from font path. (WW) The directory "/opt/MPX/lib/X11/fonts/75dpi/" does not exist. Entry deleted from font path. (==) FontPath set to: built-ins (==) ModulePath set to "/opt/MPX/lib/xorg/modules" (==) |-->Input Device "<default pointer>" (==) |-->Input Device "<default keyboard>" (==) The core pointer device wasn't specified explicitly in the layout. Using the default mouse configuration. (==) The core keyboard device wasn't specified explicitly in the layout. Using the default keyboard configuration. (II) Open ACPI successful (/var/run/acpid.socket) (II) LoadModule: "extmod" (II) Loading /opt/MPX/lib/xorg/modules/extensions/libextmod.so (II) Module extmod: vendor="X.Org Foundation" compiled for 1.6.99.1, module version = 1.0.0 Module class: X.Org Server Extension ABI class: X.Org Server Extension, version 2.0 (II) Loading extension MIT-SCREEN-SAVER (II) Loading extension DPMS (II) Loading extension XVideo (II) Loading extension XVideo-MotionCompensation (II) Loading extension X-Resource (II) LoadModule: "dbe" (II) Loading /opt/MPX/lib/xorg/modules/extensions/libdbe.so (II) Module dbe: vendor="X.Org Foundation" compiled for 1.6.99.1, module version = 1.0.0 Module class: X.Org Server Extension ABI class: X.Org Server Extension, version 2.0 (II) Loading extension DOUBLE-BUFFER (II) LoadModule: "dri2" (II) Loading /opt/MPX/lib/xorg/modules/extensions/libdri2.so (II) Module dri2: vendor="X.Org Foundation" compiled for 1.6.99.1, module version = 1.1.0 ABI class: X.Org Server Extension, version 2.0 (II) Loading extension DRI2 (II) LoadModule: "vboxvideo" (WW) Warning, couldn't open module vboxvideo (II) UnloadModule: "vboxvideo" (EE) Failed to load module "vboxvideo" (module does not exist, 0) (II) LoadModule: "vesa" (WW) Warning, couldn't open module vesa (II) UnloadModule: "vesa" (EE) Failed to load module "vesa" (module does not exist, 0) (II) LoadModule: "fbdev" (WW) Warning, couldn't open module fbdev (II) UnloadModule: "fbdev" (EE) Failed to load module "fbdev" (module does not exist, 0) (II) LoadModule: "mouse" (WW) Warning, couldn't open module mouse (II) UnloadModule: "mouse" (EE) Failed to load module "mouse" (module does not exist, 0) (II) LoadModule: "kbd" (II) Loading /opt/MPX/lib/xorg/modules/kbd_drv.so dlopen: /opt/MPX/lib/xorg/modules/kbd_drv.so: undefined symbol: noXkbExtension (EE) Failed to load /opt/MPX/lib/xorg/modules/kbd_drv.so (II) UnloadModule: "kbd" (EE) Failed to load module "kbd" (loader failed, 7) (EE) No drivers available. Fatal server error: no screens found Please consult the The X.Org Foundation support at <a href="http://wiki.x.org">http://wiki.x.org</a> for help. Please also check the log file at "/opt/MPX/var/log/Xorg.1.log" for additional information. Please help in the context .