The 1.0.0.5 version of WinMessControl is provided as a free download on our software library. The most recent installation package that can be downloaded is 11 KB in size. The most popular version among the program users is 1.0. The WinMessControl installer is commonly called wmc.exe. This free software is an intellectual property of NirSoft. WinMessControl lies within System Utilities, more precisely System Optimization. This download was checked by our antivirus and was rated as safe.
From the developer:
This small utility simply allows you to easily disable/enable the 'Windows Messenger' application under Windows XP.
It provides the following 3 modes: disable Windows Messenger completely, enable Windows Messenger Without interfering with Outlook Express and enable Windows Messenger completely
You may want to check out more software, such as KDE Pim/Platform-independent, Network Registry Search or Yenka Technology Add-On, which might be similar to WinMessControl.