https://forums.opera.com/topic/34743/failed-to-create-a-processsingleton-for-your-profile-directory/1?lang=en-US
Failed to create a ProcessSingleton for your profile directory | Opera forums
Aug 26, 2019 - Hello. I receive this error when i run opera. $ opera [2775:2775:0826/084701.022745:ERROR:sandbox_linux.cc(368)] InitializeSandbox() called with multiple...
to createfor yourprofile directoryfailed