To protect your Teamspeak 3 client from freezing you have to get the anti freeze plugin and it is recommended to upgrade your TS aswell to 3.0.15 Beta. How to install AntiFreeze plugin: First, you have to download the antifreeze plugin from here: http://screech.me/ts3/plugins/one_clicks/antifreeze(1.06).ts3_plugin The antifreeze: Protects from known malformed BBCode. Notifies you when user sents a malformed BBCode message to you. Once you download the plugin double click on it and click on "install". Now, go to settings and click Plugin and then tick "Lua Plugin" in the list (Restart teamspeak after you install AntiFreeze) How to upgrade your TS 3 client to 3.0.15 Beta version: To download TS3 beta versions you have to allow it first in the Go to: C:\Program Files (x86)\TeamSpeak 3 Client\ Make a file titled and put into it: Save the "Update.ini" file and place it in the location where TS3 is installed Now open Teamspeak and go to "Help" and then hit "Check for update". The client now will start updating your version to 3.0.15 Beta For more details about 3.0.15 Beta, visit: http://forum.teamspeak.com/showthread.php/99030-Beta-Channel-TeamSpeak-3-Client-3-0-15 "If your client is still freezing or acting up when you connect to a specific server you need to clear your client chat logs." There's also another way to protect against these attacks with preventing "Guests" from sending messages to "Members". This can be set by a teamspeak administrator in TS server permissions. Hope this works.