Default [Q] Viperone 5.0 - Hangouts Problem

Hi there, maybe anyone could help.
with new Viperone 5.0 DARKONE THEME I canīt send any pictures within hangous...just closed by the announcement "documents are closed"
Deinstallation and new installation - nothing

deleting DARKONE Theme..it works fine...

how can I get the Theme AND hangout working?