Crazyman2

I got it to work. I put in commandline with the two you recommended and it works fine now. Thanks for commenting and helping :)

Here is this Taurus, which was used by Snoopy:
http://www.gta4-mods.com/vehicles/2011-ford-taurus-police-interceptor-els-f12499
Textures for Taurus:
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1) Click Download button
2) You'll have two files, download both.
3) After installing Taurus ( e.g. as Police2), choose on ' police2.wtd ', click on EDIT.
There should be many files, find 'police_sign_ [ here is number ] '. They can have different name, but you shouldn't have any problems to find them, just check all files and compare to texutres you downloaded.
If you find e.g. police_sign_1, click on it, use IMPORT TEXTURE, choose the skin you downloaded and do the same thing for police_sign_2 , -||- 3, -||- 4. If you do it, don't forget to click ' save and close ' and then ' Save'.
 
 
I don't use trainer mod too, but I use some other cool police mods. :)

If my little windows 7 laptop can handle LCPDFR with a solid 11-13 FPS, i think that will be just fine bro :P

You download the installer from LCPDFR 1.0B and run it. You dont need to complete any mission except the first one if you dont want to keep repeating it over and over when you start the game. Try deleting your save game by going into C:Users**YOUR NAME**AppDataLocalRockstar GamesGTA IVsavegames and delete everything inside and try again. Do NOT save a game with lcpdfr as it will corrupt it. Also make sure you have 1.0.7.0. I think doesnt cut it so if you dont have it, thats why.
 
Dave