How do I receive instant messages?

someone I gave my IM to is a registered sex offender; as soon as I found this out- I wanted him to stop but I can no longer find how to block him like I used to be able to do to people

I downloaded version 8 of messenger, since then I cannot receive see any messages from my contacts. I receive the message window but the contents are blank. I can also see my contact typing but I receive nothing. What could be wrong? I've uninstalled...

Every time i try to send or receive instant messages on yahoo instant messenger i get a blank screen can some one please help me with this problem. ASAP

i sent so many message to different contacts in yahoo chat room but did not get any reply, than i had voice chat with one contact whom i sent messages but he replied that he did not receive any message

Hi I have set-up Yahoo instant messaging on my LG3 phone and I am able to send messages to any of my contacts. However when they reply to me I don't receive any of them. What can be causing this?

I added the Smartphone Personal plan for unlimited data but I do not have a texting plan. I am hesitant to instant message on Yahoo or anywhere else as I'm afraid each instant ...show more

I have two phones, sprint instinct and the cricket lingo. I go mobile on both phones and yahoo instant messenger was working fine on both of them until 2day i couldn't receive or send ...show more

When I chat with someone, they receive my message instantaneously. I, however, either don't get the messages at all, or I don't get them until hours later? Is there a certain setting on my computer or on Yahoo! that went wrong? I used to be able to chat...