Hi Joao, I had to change the subject line of your email to actually contain something.
So, On 06.11.20 20:05, j...@phygitall.rio wrote: > Hello, > > I am new to gnu radio. I installed it in Ubuntu 20.04 through PPA. The > version installed is 3.8.2.0 (Python 3.8.5). > > Every time I execute a flow graph I receive the following warnings in > the grc terminal. > > ##### Start of the grc log ##### > … > ##### End of the grc log ##### Not pretty, but completely unrelated; the Qt GUI blocks don't use GTK. > Is there something I can do to solve this issue? or is this a bug? Have you filled in the "GUI Hints" fields in the QT GUI blocks? Best regards, Marcus