package nvidia-173 173.14.22-0ubuntu11.2 failed to install/upgrade: nvidia-173 kernel module failed to build

Happened 2nd time in a row after installing a few (<10) small packages from Synaptic.
First time it happened Ubuntu was unbootable (BusyBox, initramfs prompt) at next try to boot. Somehow i managed to fix it.
This time i managed to boot it, but the warning message was still here.

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: nvidia-173 173.14.22-0ubuntu11.2
ProcVersionSignature: Ubuntu 2.6.38-10.46~lucid1-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Sat Oct 20 02:21:08 2012
ErrorMessage: nvidia-173 kernel module failed to build
Lsusb:
 Bus 002 Device 003: ID 046d:c050 Logitech, Inc. RX 250 Optical Mouse
 Bus 002 Device 002: ID 05d5:6782 Super Gate Technology Co., Ltd
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System manufacturer System Product Name
PackageVersion: 173.14.22-0ubuntu11.2
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-10-generic root=UUID=c7f79323-bc77-4754-8a42-9c2b0823c95d ro quiet splash
SourcePackage: nvidia-graphics-drivers-173
Title: package nvidia-173 173.14.22-0ubuntu11.2 failed to install/upgrade: nvidia-173 kernel module failed to build
dmi.bios.date: 03/20/2006
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: ASUS A8N5X ACPI BIOS Revision 0902
dmi.board.name: A8N5X
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.XX
dmi.chassis.asset.tag: 123456789000
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSA8N5XACPIBIOSRevision0902:bd03/20/2006:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnA8N5X:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.38-10-generic