command-not-found has crashed after trying to move some files after I unzipped

Binary package hint: command-not-found

Okay, I downloaded some levels for Pingus and extracted them in my ~/downloads folder and it said some files couldn't be transferred then my icons in my quick bar disappeared, I couldn't access my home folder, ect so I tried to reset X Server with Ctrl+Alt+Backspace and I got the following error and it keeps happening on boot. I think I typed: sudo mv share/* usr/*

share/ had all the directories to put the levels in the right place, don't know what happened.

I get something telling me there is No resume image, doing normal boot... then I get command line in boot.

If I type xserver or hit ctrl+alt+F7 I get something like this:

command-not-found has crashed.

command-not-found version: 0.2.21
Python version: 2.5.2 final 0
Distributor ID: Ubuntu
Description: Ubuntu 8:10
Release: 8.10
Codename: intrepid
Exception information:

[Errno2] No such file or directory: '/usr/share/command-not-found/programs.d'
Traceback {most recent call last):
File "/usr/lib/python2.5/site-packages/CommandNotFound/util.py", line 32 in crash_guard
File "/usr/lib/command-not-found", line 24, in main
         Command NotFound{options.data_dir).advise(args[0], options.ignore_installed)
File "usr/lib/python2.5/site_packages/CommandNotFound/CommandNotFound.py, line 63, in __init__

OSError: [Errno2] No such file or directory: '/usr/share/command-not-found/programs.d

Any help would be great. Thanks.