Specially dedicated programs are responsible for launching a.smx file saved in a specific format (which we can recognize on the basis of the extension of a given file). The most common problems with.smx files downloaded or received via e-mail are: their incorrect association with programs in the registry, or simply the lack of an appropriate program to open them. To solve the problem with the.smx file it is usually sufficient just to download the appropriate software that supports.smx file format, which can be found in the table below. The most common file format with the.smx extension belongs to the category Various Files. IBM is responsible for creating.smx extension file. Nomad Factory Magma Rapidshare. The Lesser Key Of Solomon Ars Goetia Pdf. Attila Outlawed Zip.