AVAST Software Avast Free Antivirus "cant attach file email" Questions

I cant attach a file to my email this just started happening you can't attach any files which have extension .exe describe your problem in details.

...CANT UPDATE MY AVAST ANTIVIRUS I WANNA GET IT IN MY EMAIL N UPDATE IT SOMEWHERE ELSE you can download the update from website http://www.avast.com/download-update, but you may not be able to send the ...