Build from source code
IceChat 9 is an open source program, which means the source code is available to anyone.
The source code is updated more often then the full installs/updates and is located at http://icechat.codeplex.com/SourceControl/list/changesets
For Linux instructions, look here.
Download the latest source code from the page, by clicking on the Download link.
Unzip the file into any folder.
There is an BuildIceChat.cmd file in the root folder which will build IceChat 9.
Open a command line window (cmd.exe) and run the BuildIceChat.cmd at the prompt.
A new folder is created called IceChatBuild, and once the batch file has completed, 4 files will be placed in this folder.
Copy these 4 files into your IceChat installation folder, or place them anywhere else you want.
To see all the changes from build to build, read the changelog.txt file in the source code.