I have the next problem, when i try to start a new campaign and go to character creation the game crashes and my pc restarts with the following message: ASUS anti surge detected a problem, or something like that. If i try a premade character i can play normally, so its no so bad, but its annoying not to play with the character just as i want it.
Any way to solve this or edit the premade characters?
Thise are my pc specs

Operating System: Windows 7 Professional 64-bit (6.1, Build 7601) Service Pack 1
Processor: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz (4 CPUs), ~3.2GHz
Memory: 8192MB RAM
Available OS Memory: 8156MB RAM
DirectX Version: DirectX 11
Card name: NVIDIA GeForce GTX 560
Manufacturer: NVIDIA
Chip type: GeForce GTX 560

it may sound odd but i've heard of this problem with the non-gog version resolving itself if you choose to run the game as administrator until you're through character creation.

Please don't run the game elevated / as administrator. This is not necessary and reduces security. NWN2 is designed to work with standard user rights and doesn't require admin rights.

As far as the crash issue, let's try the following:

1) Install the NWN2 Client Extension and launch the game from the included NWLauncher program. The CE fixes a known bug in the game where the character selection screen crashes out in single player, if you have characters in your local vault that have a nonstandard subrace (exported from a multiplayer PW, etc). If you don't want to use the CE, rename away your localvault and dmvault folders in Documents\Neverwinter Nights 2.

2) If you are still crashing out while starting the game from the CE NWLauncher please post a link to your nwn2_errorlog txt file (go to the game installation directory for it; if you don't see it there, click 'Show compatibility files'), and I'll take a look and see if the issue is known and/or is suitable for fixing in a future CE release.

saaaaame shit and nothing is fixing it

Your graphics card is overheating. You need to address that, and also ensure you have sufficient PSU.