Gooday, This exact something happen to me all I did to fix this was to open opera then click on the thingy at the bottom right of the taskbar that makes tabs disappear and reappear. I clicked it twice and my opera showed up.

Gooday, This exact something happen to me all I did to fix this was to open opera then click on the thingy at the bottom right of the taskbar that makes tabs disappear and reappear. I clicked it twice and my opera showed up.