I gave a try to pantheon desktop, and ever since after uninstalling it, whenever I resume from a suspend, I get this:
Since elementary.io is a link to elementary OS, and pantheon is from this OS, I believe it is caused by some leftover element of pantheon.
How can I get rid of it ?
Update
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.10
Release: 14.10
Codename: utopic
lsb_release -a
– Elder Geek Apr 19 '15 at 20:48