some java product produce a square on the upper left desktop

Submitted by dol..@..gmx.de

Assigned to Nick Schermer

Link to original bug (#10620)

Description

E.g. JDownloader and some other apps produce a black square on the upper left desktop. This can be removed by deactivating the composer or exiting the panel.

For further information: http://forum.manjaro.org/index.php?topic=8638.0

Version: 4.10.1