WOT - Game Launcher Issue

thehackersz, on 02 April 2011 - 01:45 PM, said: Critical Error.
SYS_ERROR
the application cannot continue.
for details see log file.
02/03/2011 19:42:47 Starting...
02/03/2011 19:44:23 create update folder: path="D:\Program Files (x86)\World_of_Tanks_closed_Beta\Updates"
02/03/2011 19:44:23 create temp update folder: path="C:\Users\FASHA\AppData\Roaming\wargaming.net\WoT\temp"
02/03/2011 19:44:23 save configuration: path="D:\Program Files (x86)\World_of_Tanks_closed_Beta\WOTLauncher.cfg"
02/03/2011 19:44:23 start update process...
02/03/2011 19:44:23 connecting to update server...
02/03/2011 19:44:25 http request has completed: verb="POST" url="http://update.worldoftanks.com/"
02/03/2011 19:44:25 parsing patch info...
02/03/2011 19:44:25 initialize installation process...
02/03/2011 19:44:25 install has completed: name="D:\Program Files (x86)\World_of_Tanks_closed_Beta\Updates\wot_63.76808_62.66183_launcher_com.patch"
02/03/2011 19:44:25 install has completed: name="D:\Program Files (x86)\World_of_Tanks_closed_Beta\Updates\wot_63.78726_launcher_com.patch"
02/03/2011 19:44:25 initialize post-update process...
02/03/2011 19:44:25 launcher update complete.
02/03/2011 19:44:27 Restarting...
02/03/2011 19:44:27 stop update process...
02/03/2011 19:44:27 ERROR: rename file: (5)"Access is denied."
any idea how to fix this?
Thx.