You can download the files here: http://download2.garena.com/beta/Garena3.212Beta.zip
Please unzip it and put to a new folder instead of original Garena folder.
Here are the Change log :
•Supported Dota 6.58 in DotA Ladder.
•Added North America and Oceania region in Left4Dead.
•Bulgaria, Ukraine, Kazakhstan, Mongolia, India, Peru and Venezuela now have their own region under Warcraft RPG (Rooms will be moved to respective regions in official release).
•Fixed a potential problem which might cause game disconnection.
•Fixed the compatible issue with Protection Suite QL.
•Improved Anti-Hack system.
Note: If you have any problem in this version, kindly post in the Reporting Thread so that we can fix it asap.
Finally Disconnection Problem is Fixed !!!!!!