Application freezes with error on wincmn.cpp : 3271 (RM #2756)

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Issue migrated from Redmine: https://redmine.postgresql.org/issues/2756
Originally created by de fvd at 2017-10-04 14:40:44 UTC.

It happened when trying to reconnect to a just restarted remote database.
A popup showing a crash and 2 buttons to "continue" or "stop". However I was not able to click anywhere on the application. Worse, my was system was insensible to mouse clicks. I had to ctrl+F2 to kill pgadmin3 and restore it.

The message shown in the popup was related to a crash in wincmn.cpp : 3271 (assert mouse capture ...)

I'm using debian 8.9 with cinnamon desktop. Pgadmin31.22.2

It has already occurred several times before.