@albertop hey so i was reading through your message because i am also having this issue with Opera GX and i couldnt find where i could enable/add permissions to the extension? so do you know where that is I am using Opera GX version 76.0.4017.208 LVL 2. so if you could just lead me to where specifically i can enable these permissions because i have gone through every option here and cannot find it?
Opera is really a great browser with lots of feature. Even bookmark synchronization is great feature for ability to access bookmark, but when we access bookmark, user should have choice for viewability. It is a recommended feature request to opera team in year 2021.
@pedroncio By transparent you mean invisible. Usually means Opera thinks the window is off the screen, such as on a second monitor which was since unplugged. I've seen solutions such as Alt+spacebar to display the program's system menu then select Move to move it onto the screen, or half a dozen others.