I can't send email attachments anymore [View All]

[frogmarch]

I don't know why, but starting about a week ago, every time I try to send an email containing an attachment - regardless of how large or small the file is - the email goes to my outbox and stays there till I finally delete it, because the second I click Send, I get disconnected from my email service. I can send other emails just fine, and I can receive and open all kinds of emails, including those with attachments.

I use Windows Live Mail, which routed from Hotmail. I called MSN a while ago and got no help. I was told to contact AVG, my anti-virus/firewall program, where I was told the problem is probably with MSN.

Anyone have any ideas of what the problem could be?

I ran ScanDisc, Defrag, deleted a bunch of stuff from my email folders and other places, emptied the trash bin, and then I rebooted. It made no difference.

I'd appreciate suggestions on what to try next. Thanks. :-)