For user %1, multiple resources are associated with the same file extensions. Resources: %2. Associated file extensions: ...

For user %1, multiple resources are associated with the same file extensions.  Resources: %2.  Associated file extensions: %3.  Only one of these resources will be associated as the default program. To resolve this issue, change the file association settings for one or more of these resources so that they do not attempt to associate as the default program for the same extension.