Hi, it is only the known fatal error crash of fsx every i time i Switch, or better Said try to switch the view. Originaly it was a startup error that Said That there is an error wichs third party addin, pmdgoptions.dll, I placed the pmdg dlls and gauges if the 747 in the fsx main folder, and then the plane loads bit then 1 minute later fsx crashes every time or when I switch the view, tried to uninstall it as it happened with the md-11, the only pmdg product I run without problems is the 777