Why can't I reply to chat messages on my mobile?

I can't see the messages in my chat box, please help! even offline message i cant view its blank...?

• I have suffer this 4 days ago until now... I can see messages that Im typing BUT when i press the enter button suppose to be it will go to the chat box but i didn't see anything in there... even all the receive messages and smileys... it is totally blank... BUT the person i chat can see all my messages... Offline is blank also... PLEASE can anybody help me with this?

• Answer:

  This is a common problem. There are many reasons why this will happen, but without more information, it's hard to say what exactly is wrong but, This is most likely an effect of Malware installed on your system. Have you run a Malware scan? 1. Exit Y! Messenger. 2. Scan your system with a Malware scanner and clean any infections. 3. Restart your computer. If you do not have a Malware scanner, you can find many free Anti-Malware programs free on the web. I recommend Malwarebytes. get it here: http://www.malwarebytes.org/ Let us know how it goes. I have a full instructions on my blog page http://pulse.yahoo.com/_2YKKVSYWAZEN7AB4NVJ7OOGG6M/blog/articles/221612