wine users - Jan 2010 - How to do the MouseWrapOverride=disabled?

Hello, I have installed Dungeon Keeper 2 in Wine 1.1.31, in Ubuntu 9.10. The
game has installed correctly, but the cursor is stucked.
I have read that I have to fix it with "MouseWarpOverride=disabled Wine
setting" but i can't find where do it.
Please somebody give a hand with that.
Thanks.

Sorry for the bad english :(

- Open a terminal
- Set the WINEPREFIX variable to the prefix where you installed your game
- Run regedit
- Create a new key named "DirectInput" in
HKEY_CURRENT_USER/Software/Wine/
- Create a new string value named "MouseWarpOverride"
- Double click on it and type "disabled" as value

http://wiki.winehq.org/UsefulRegistryKeys

Thanks for your help.
But... What is the prefix? When I put it in the terminal says that I have to
install this:

sudo apt-get install libapp-options-perl
prefix: command not found
federico at federico-desktop:~$

It is the directory where you installed the application you are trying to use. I
doubt that you have changed any of the defaults, therefore you should be able to
run regedit right away.

By the way, reading this could prove useful to you : 

http://wiki.winehq.org/FAQ
http://www.winehq.org/docs/wineusr-guide/index

Thanks for the help. Finally works  :D