Things you can try:
Restart PC (obviously the first option)
Update drivers (graphics card drivers especially)
Allow Allods game folder in your Anti-Virus program and Firewall
Close any (unnecessary) background applications
Change compatibility setting on the client application (right-click the client application and choose "Properties")
Reinstall the game
“If you want to conquer fear, don't sit home and think about it. Go out and get busy.”
-Dale Carnegie
“Be who you are and say what you feel, because those who mind don't matter, and those who matter don't mind.”
-Bernard M. Baruch