now i got the most annoying problem ever, whenever i try to start the game it looks like it's going to start but then it shuts it self down and delete the prototypef.exe,
i tryed using a crack instead but same thing happend..
I got xpsp3 32bit installed and i got

4gb DDR2 RAM and
NVIDIA GeForce 9500 GT (GeForce 9500 GT)
(Video Card Driver Version (DirectX) 6.14.11.8048) i got latest directX and i got latest nvidia driver software
AMD Phenom(tm) 8450 Triple-Core Processor
my motherboard is AMD 740G
soundcard is Realtek HD Audio (ALC662)
(Sound Card Driver Version - 5.10)
DVD-rom
Optiarc DVD RW AD-7200A



Video Card 3D Acceleration - Yes
Video HW Transform & Lighting - Yes
Vertex Shader Ver. - 3.0
Pixel Shader Ver. - 3.0

and i dont know if this will be any help but for about a month ago i accidentley removed Devil may cry4 prince of perisa 4 and prince of perisa the 2 thrones
i didnt uninstall them i just accidentley removed them, after that i removed their strings in the regedit (this i didnt accidentley remov)

and now my pc can start and run following games
warcraft 3 tft and roc
perfect world
steam (cs)
assassins creed
mirrors edge

i'm a game addict so please i really need help with this.

Hello and Welcome to PC Help Forum. We have a highly-experienced staff and friendly community ready to help you with whatever technical difficulties you may be experiencing.

I'm sorry, but in order for us to help you, you must get rid of any Warez related material, including cracks, serials, etc. If you have an original EXE or original version we would most certainly be willing to help you.

If you have ANY questions or concerns, we are here to answer them. We hope you have an enriching experience here at PCHF! You won't find a more friendly and experienced site anywhere else!

*JM*

i have the orginal. but when i put in the cd and the screen comes out and i press play it goes black for 1 sec then when i go to C:....../prototype the exe file is gone. thats why i though mybe it would help with a crack but it didnt...
and as u can see i have problem with other games to, i think its something with my pc cause of how i deleted the old games...
would be thankfull to anything that could help me with this problem because i really want to play my game

EDIT:
and 1 more thing i have already tryed with everything i could find at the game forum

OK. I'll mark this thread as "Open" so it will get more attention. Thank you for your patience.

*JM*

thx alot

Also, it may sound like you deleted registry keys used by the game. Do you have a backup of the registry?

*JM*

nop
but i deletet the registrys that was used by my old games in their "folders" in the registry, can this affect my other games... and i deletet those for about 1 month ago.