The problem is that mail-notification tries to load the icon stock_mail.png, which (I don't know why) has disappeared from the system when I updated to Ubuntu 10.10. The easy way to fix it is to copy any other icon you like and name it stock_mail.png. You have to do it in the folder /usr/share/icons/gnome/16x16/status/ and I have used the existing icon stock_mail-unread.png. Actually I have copy it in the 16x16, 24x24 and 32x32 status folders, just in case.
Once you have copied the icon you must run "sudo gtk-update-icon-cache" and MN should work.
Hi Alok,
Good news, i just solved the problem.
The problem is that mail-notification tries to load the icon stock_mail.png, which (I don't know why) has disappeared from the system when I updated to Ubuntu 10.10. The easy way to fix it is to copy any other icon you like and name it stock_mail.png. You have to do it in the folder /usr/share/ icons/gnome/ 16x16/status/ and I have used the existing icon stock_mail- unread. png. Actually I have copy it in the 16x16, 24x24 and 32x32 status folders, just in case.
Once you have copied the icon you must run "sudo gtk-update- icon-cache" and MN should work.
I hope it works for you.