PROBLEM
When Opera Web browser is installed on a system with ArcGIS this program often interferes with ArcGIS and causes it to systematically crash.
Opera Web browser is not supported by ArcGIS.
Warning: WARNING: The instructions below include making changes to your operating system. It is recommended that you backup your operating system and files, including the registry, before proceeding. Consult with a qualified computer systems professional, if necessary. ESRI cannot guarantee results from incorrect modifications while following these instructions. Therefore, use caution and proceed at your own risk.
Get help from ArcGIS experts
Download the Esri Support App