Yes, if you have Yahoo messenger and someone else has windows live, you can add them on your instant messenger contact list and you will be able to talk to them.
If you mean your display name, yes they can. If you mean a nickname that you have given someone on your contact list, then they cant.
Windows Live is a live plug in to what is happening on Windows. Windows live allows customers to maintain and organize, email accounts, contact lists, social media, and various other things all in one place online.
No; occasionally when using different versions of windows live messenger; the contact might have you added and it just doesn't show. A long with this if someone blocked you and kept you added; it would still show them as having you on their list.
Go to the microsoft windows live headquarters in the USA !
U have to contact xbox live support
Depends on the state you live in which you fail to list.
commit suicide and meet those a-holes is hell
If you've blocked and deleted someone on Windows Live Messenger but they can still contact you, ensure that you've also removed them from your contacts list. Additionally, check your privacy settings to confirm that messages from blocked users are completely restricted. If the problem persists, consider changing your account settings or contacting support for further assistance.
Click start menu --> control panel. Once that loads click on add/remove programs. Find windows live onecare on the list that appears and then chose remove.
Contact windows support and they might be able to help you, if not then no.
To replace Microsoft Windows Live One Care, one must first remove any antivirus or antispyware, then uninstall Windows Live One Care, make sure Windows Live One Care completely uninstalled, as it often does not and download a new program.