--- a/src/eric7/EricWidgets/EricApplication.py Wed Oct 12 17:37:54 2022 +0200 +++ b/src/eric7/EricWidgets/EricApplication.py Wed Oct 12 19:44:29 2022 +0200 @@ -13,7 +13,8 @@ from PyQt6.QtGui import QColor, QPalette from PyQt6.QtWidgets import QApplication -QCoreApplication.setAttribute(Qt.ApplicationAttribute.AA_ShareOpenGLContexts, True) +if not QCoreApplication.testAttribute(Qt.ApplicationAttribute.AA_ShareOpenGLContexts): + QCoreApplication.setAttribute(Qt.ApplicationAttribute.AA_ShareOpenGLContexts, True) from . import EricMessageBox