package nvidia-current 256.53-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

just tried to install additional drivers for graphic card Nvidia Mobile 9XXX

ProblemType: Package
DistroRelease: Ubuntu 10.10
Package: nvidia-current 256.53-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.35-22.32-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
Architecture: amd64
DRM.card0.DVI.D.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.DisplayPort.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1920x1080 1920x1080 1680x1050 1400x1050 1280x1024 1280x960 1152x864 1024x768 800x600 640x480 720x400 640x400 640x350
 edid-base64: AP///////wBMo0wwAAAAAAASAQOAIxR4Cof1lFdPjCcnUFQAAAABAQEBAQEBAQEBAQEBAQEBKTaAoHA4H0AwICUAYcYQAAAZAAAADwAAAAAAAAAAACCRAmQAAAAA/gBTQU1TVU5HCiAgICAgAAAA/gAxNjBIVDAxLUEwMgogAEU=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Sat Sep 18 17:21:31 2010
DkmsStatus:

ErrorMessage: subprocess installed post-installation script returned error exit status 1
GdmLog1: Error: command ['cat', '/var/log/gdm/:0.log.1'] failed with exit code 1: cat: /var/log/gdm/:0.log.1: No such file or directory
GdmLog2: Error: command ['cat', '/var/log/gdm/:0.log.2'] failed with exit code 1: cat: /var/log/gdm/:0.log.2: No such file or directory
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Alpha amd64 (20100918)
MachineType: Acer Aspire 6935
ProcCmdLine: BOOT_IMAGE=/casper/vmlinuz noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
SourcePackage: nvidia-graphics-drivers
Title: package nvidia-current 256.53-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
dmi.bios.date: 03/16/2010
dmi.bios.vendor: Acer
dmi.bios.version: V1.20
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Aspire 6935
dmi.board.vendor: Acer
dmi.board.version: PSMBOU-1234567
dmi.chassis.type: 1
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAcer:bvrV1.20:bd03/16/2010:svnAcer:pnAspire6935:pvrV1.20:rvnAcer:rnAspire6935:rvrPSMBOU-1234567:cvnAcer:ct1:cvrN/A:
dmi.product.name: Aspire 6935
dmi.product.version: V1.20
dmi.sys.vendor: Acer
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro: Ubuntu
 codename: maverick
 architecture: x86_64
 kernel: 2.6.35-22-generic