Game Freezing - When playing in hours

[ashley26ph2003]

Game Freezing - When playing in hours
I have a game freezing when playing around 4 to 8 hrs
As France or Austria in Napoleonic Europe

I have laptop

4 GB memory, Windows 8 , Intel Core 15 4200 U 1.6 GHZ
500 Hard Drive

I dont know what cause freezing of my game

Use No Raze Patch and edit biq