da si tu specificatiile sistemului tau ... ram cpu ... tot si o sa incercam sa te ajutam
later edit : uite de pe forumul blizz postat de un blue
"
There are some steps that you can do fix this. First update all chipset, video and sound drivers.
You can follow these steps for help updating your chipetset drivers.
http://www.playtool.com/pages/chipse...s/chipset.html
After you update the drivers do a scan disk and defrag of your computers hard dirive.
If this problem persist do a memory diagnostic of your RAM and check for bad RAM.
http://www.memtest86.com/
Detailed instructions on how to do all these steps can be found at:
http://us.blizzard.com/support/artic...rticleId=21025 "
google is your friend