set Avast to ignore the .exe of the bot and set the Avast Firewall to allow the bot to connect to the internet.
ignore:
WRobot.exe
WRobot Quick Launch.exe
Update.exe
Fight Class Editor.exe
Also Start the game in Admin Mode running only in the 32 bit version. And Start the WRobot in Admin Mode.
Plus you need to make sure you are not over clocking to the point of CPU Damage so like Driodz said run SpeedFan.
Speed Fan Downlod: http://www.almico.com/speedfan.php
Also Make sure that you are the latest video driver for your video card.
AMD or ATI: http://support.amd.com/en-us/download
The Auto Detect and Update utility for AMD: http://support.amd.com/en-us/download/auto-detect-tool
Nvidia: http://www.nvidia.co.uk/Download/index.aspx?lang=en-uk
Auto Detect Nvidia Products: http://www.nvidia.com/Download/Scan.aspx?lang=en-gb
Intel: https://downloadcenter.intel.com/default.aspx
The Auto Detect and Update all INtell Devices: http://www.intel.com/p/en_US/support/detect
I would also Suggest running this for you O.S.
Windows 8 Manager : http://www.yamicsoft.com/windows8manager/index.html
Windows 7 Manager: http://www.yamicsoft.com/windows7manager/index.html
Windows Vista Manager: http://www.yamicsoft.com/vistamanager/index.html
Windows XP Manager: http://www.yamicsoft.com/xpmanager/index.html
As for the internet and optimizing that I would suggest running TCPOptimizer. And for speeding up the wat your computer talks to most and all gaming servers I would suggest running Leatrix Latency Fix.