HELP!whenever i open my yahoo mail inbox, i have a pop-up window opened.?

The window displays my yahoo mail ID and in the next line, "pop3 server unavailable, network problems?"

what does this mean?

what i have to do?

HELP!whenever i open my yahoo mail inbox, i have a pop-up window opened.?windows mobile 6

u might have spam or spy ware on ur computer. try running an anti-spyware and anti-spam program on ur computer. somthing like spybot search and distroy or adware or stinger would be good. u can get them for free if u know where to look. anymore questions just ask.