GTA 4 dando lag nas teclas W S A D

Question

Tenho GTA 4 original e meu PC ta dentro das recomendações de hardware do jogo, só que quando aperto as teclas w s a d e um lag pra cada aperto se eu aperta sem parar qualquer uma dessas e ele praticamente para, queria saber se alguém conhece alguma configuração pra acabar com isso.
Rodo ele com um AMD Phenom II X4 3.4 Black, ATI HD5670 1 GB, 4GB memória Dual Chanel, Fonte 680W e Win7.
Não tenho problema com qualquer jogo instalado no meu PC só com o GTA4.
 
Olha só ai os requerimentos dele, o meu PC era pra rodar sem problemas:
1) SYSTEM REQUIREMENTS
Supported Operating Systems are:
    Windows Vista (plus Service Pack 1)   
    Windows XP (plus Service Pack 3)
        plus DirectX 9
        plus Microsoft .NET Framework 3.5
Minimum Hardware Requirements:
    Processor: Intel Core 2 Duo 1.8Ghz, AMD Athlon X2 64 2.4Ghz
    Memory: 1.5GB
    Free Hard Drive Space: 16GB
    Video Card: 256MB NVidia 7900 / 256MB ATI X1900
    DirectX 9 compatible Stereo Sound Card
    Keyboard
    Mouse
Recommended Hardware Requirements:
    Processor: Intel Core 2 Quad 2.4Ghz, AMD Phenom X3 2.1Ghz
    Memory: 2GB (Windows XP) 2.5GB (Windows Vista)
    Free Hard Drive Space: 18GB
    Video Card: 512MB NVIDIA 8600 / 512MB ATI 3870
    DirectX 9 compatible Surround Sound Card
    Keyboard
    Mouse

Answer 1

amoxicillin generic <a href=http://amoxilcompharm.com/#>Amoxicillin for sale</a> amoxicillin 500mg without prescription

Answer 2

amoxicillin 500mg tablets price in india https://priligymaxpharm.com/# buy priligy

Answer 3

6 prednisone: <a href=" http://prednisoneraypharm.com/# ">raypharm</a> - prednisone 20mg tablets where to buy

Answer 4

prednisone 12 tablets price: <a href=" https://prednisoneraypharm.com/# ">cheap prednisone</a> - prednisone uk

Answer 5

where can i buy amoxicillin online http://prednisoneraypharm.com/# prednisone price canada

Answer 6

amoxicillin 30 capsules price <a href=" http://www.yya28.com/home.php?mod=space&uid=195311 ">buy amoxicillin 500mg capsules uk</a> or <a href=" https://www.kitchenknifefora.com/proxy.php?link=https://amoxilcompharm.com ">amoxicillin discount coupon</a>
https://www.google.co.kr/url?sa=t&url=https://amoxilcompharm.com where to get amoxicillin over the counter
<a href=https://www.google.co.zw/url?q=https://amoxilcompharm.com>can i buy amoxicillin over the counter</a> where can i buy amoxocillin and <a href=https://wuchangtongcheng.com/home.php?mod=space&uid=579277>order amoxicillin online uk</a> amoxicillin 500mg pill

Answer 7

buy prednisone mexico: <a href=" https://prednisoneraypharm.com/# ">generic Prednisone</a> - prednisone pills 10 mg

Answer 8

clomid otc <a href=" http://mi.minfish.com/home.php?mod=space&uid=1205635 ">can i get clomid</a> or <a href=" https://hc-vsetin.cz/media_show.asp?type=1&id=246&url_back=http://clomidrexpharm.com ">where buy generic clomid price</a>
http://goldankauf-engelskirchen.de/out.php?link=http://clomidrexpharm.com order cheap clomid without dr prescription
<a href=http://www.rpklublin.pl/skins/rpk/redirect.php?url=http://clomidrexpharm.com>get generic clomid without rx</a> cost generic clomid and <a href=https://www.donchillin.com/space-uid-427196.html>cost cheap clomid without prescription</a> cost of clomid no prescription

Answer 9

can i order cheap clomid no prescription: <a href=" http://clomidrexpharm.com/# ">generic clomid</a> - where to buy cheap clomid without dr prescription

Answer 10

where to buy cheap clomid prices <a href=http://clomidrexpharm.com/#>clomid</a> can i purchase cheap clomid without insurance