To uninstall 2009 beta msn - this woks with vista but I dont know about XP. I couldnt use my webcam after installing the beta version, I uninstalled it an reinstalled the 2008 version and now my webcam works fine.
1. Exit Windows Live Messenger.
2. Click Start, type appwiz.cpl in the Search bar, and then press ENTER.
3. On the Add or Remove Programs window, click on Windows Live Beta or Windows Live Essentials, and then click Uninstall/Change
4. Select Uninstall, click Continue.
5. Under Select the programs you want to uninstall, tick the checkbox on all programs (Messenger, Mail, Photo Gallery, Toolbar, Writer), click Continue.
Here are the steps to download old version of Windows Live Messenger version 2008:
1. Start Microsoft Internet Explorer and then visit:
http://www.microsoft.com/downloads/details.aspx?F...4ef&DisplayLang=en
2. Click Download button.
3. Follow the Messenger installation wizard to completely install Windows Live Messenger.