MTA Problems

[Muzzitra]

My chat works ingame but sometimes i cant c wat i typed and it disconnects me sometimes and it crashes wen hackers r on and crashed and stops working for no reason.
Ive reinstalled
Ive restarted my comp
I have windows vista it works fine,I did howevr downloaded this game
I really wanna fix it
PLZ!! help

[PMP]

run MTA on admin mode.
right click the client and click run as admin