I've just changed website hosting supplier; both old and new suppliers run Linux services. My site is scottishcca.co.uk - a correspondence chess site - and I'm using Win7 and Firefox 26.0. There's a page (members/downloads) where members can download e-magazines and files of chess games - the page is password protected using htaccess/htpasswd which works ok. Each e-magazine has 4 download links: pdf, zip and pgn all work correctly, but cbv does not - it just displays file contents in the browser page. What should happen is that the browser should bring up a dialogue box asking if the file should be opened with ChessBase 11 Database Software (which is associated with the .cbv file type on my computer - I checked my Default Program settings). The .pgn file type is also associated with ChessBase 11 Database Software and works correctly - the dialogue box allows me to open or save. All the links work correctly when I use Google Chrome. I'm puzzled - advice please! Iain