Windows 7 - Lag/Freezing while playine online games

Hi i play an online game Voyage century on my laptop, this game allows you to play with more that 1 character at the same time. to get to the point if i have more that 2 characters open at the same time and i fight with the 1 and use skills(like increase attack by 100 for 60 secs) i lag and freeze but it doest affect my other char
The wierd thing is that it runs fine to my dektop computer
my specs are

6gb Ram
Intel(R) core(TM) Duo CPU p7450 @ 2.13ghz (2CPUS)-2.16 ghz
Grahpic card i think is NVDIA GeForce GT240
463 gb harddrive 324 is free
i am using a Laptop
i dont know if driver are uptaded


Anyone know what could be the problem


PS sometimes i do some wierd things like opening my antivirus or a mozilla browser and sometimes the lag disapiars for some seconds

Please fill in your system specifications as throughly as possible, this will help us with our endeavors to assist you. That being said, is this a laptop/desktop? What type of graphics is it using? Do you have all the drivers updated for your system?

bumb found as many specs i could did i miss anything?

Brand of laptop, make and model #.

Start here with the Nvidia driver... GeForce GT 240

Here is the actual driver if you can't get it from above link.

NVIDIA DRIVERS 285.62 WHQL

grr nothing goes right when i tried to install the driver i got this error

What brand name is the laptop and model # of it?

How fast is your internet speed? Most games will run fine on at least 6M.

ok i must admit my internet connection is weak but it runs fun is my DektoP PC witch isnt much stronger

@bassfisher6522

Will post them later stil trying to find them

oh and anyone knows why i get this Erorr when i try to install the driver?

Ok found them my model is EF7A
Brand Futjitsu
and i dont undrestand the the make of my laptop you mean where is it made or?