i have installed several CAD programs on windows 7 64 bit,
like solid edge & catia , these apps have several files ext'
the files are associated with the right app, but the thmbs preview won work.
theres only 1 type of ext' that does work.
i tryed everything , like deleting the cache, cahnged through preformence and best apperance mode. and changed the allow thumbs at the folder options.
but nothing works , have an idea?