Sorry, this bugreport is not useful without a stack trace. Please follow the instructions on https://wiki.ubuntu.com/DebuggingProgramCrash and try to get a stack trace.
Alternatively, a small example how to reproduce this crash would be useful. E.g. and HTML file, an URL and/or a C++ program using Qt WebEngine. ** Changed in: qtwebengine-opensource-src (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1876881 Title: error 0 in libQt5WebEngineCore.so.5.12.8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtwebengine-opensource-src/+bug/1876881/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs