[Bug 297413] [NEW] package nvidia-glx-173 None [modified: /var/lib/dpkg/info/nvidia-glx-173.list] failed to install/upgrade: trying to overwrite `/usr/lib/xorg/modules/extensions/libglx.so', which is

Public bug reported: I have installed on this system (ubuntu 8.10) last nvidia driver (downloaded from their download site), but i have problems with screen refresh rate (it only 50 Hz - and normally should be at list 70). I installed Envy and I tried to change the nvidia driver from 177.80 in

[Bug 283747] Re: package nvidia-glx-177 177.80-0ubuntu1 [modified: usr/bin/nvidia-bug-report.sh usr/bin/nvidia-xconfig usr/lib/xorg/modules/drivers/nvidia_drv.so usr/share/man/man1/nvidia-xconfig.1.gz

I had the same error a few minutes ago. First I installed drivers for my video card from NV website and after I installed envy package. I seems that Ubuntu recommended me 177.80 driver version and envy recommended 173 version. So i tried to change and activate 173 driver version from envy with