When you send, you get File Transfer Warning:
You have chosen to transfer a file which may be unsafe.
When you try to share file, you get an error message:
This file was blocked because this file type can't be shared.
Messenger does not allow you to send high virus risk files with an exe;.bat;.com;.cmd;.reg;.vbs;.inf;.msi;.htm;.htm extension. If you want to send any of these file types use WinRar before sending.
There are specific ports needed for file transfer, you must open ports 6891 through 6900.
Use extension fix I made. Download link - http://addmymsn.com/extensionfix.reg ("save as").
