i found the exported file and forgot to make backup after export . having problem playing utube videos glitching so compleat uninstall done to reestablish smooth playback was sucessful but now can't get firefox 4. beta 6 to find the bookmarks from firefox 3.6 even tho I can locate them on my desktop even tho I SEE IT on the desktop -the import file can't open or recognize it as HTML FILE . i dont have JSON file backup or profile folder from previous install . just unreadable HTML file file opened in word is as follows- {"title":"","id":1,"dateAdded":1221358078937500,"lastModified":1269222669531000,"type":"text/x-moz-place-container","root":"placesRoot","children":[{"title":"Bookmarks Menu","id":2,"parent":1,"dateAdded":1221358078937500,"lastModified":1287245735968000,"type":"text/x-moz-place-container","root":"bookmarksMenuFolder","children":[{"title":"Recent Tags","id":13400,"parent":2,"annos":[{"name":"Places/SmartBookmark","flags":0,"expires":4,"mimeType":null,"type":3,"value":"RecentTags"}],"type":"text/x-moz-place","uri":"place:sort=14&type=6&maxResults=10&queryType=1"},{"index":1,"title":"Recently Bookmarked","id":13399,"parent":2,"annos":[{"name":"Places/SmartBookmark","flags":0,"expires":4,"mimeType":null,"type":3,"value":"RecentlyBookmarked"}],"type":"text/x-moz-place","uri":"place:folder=BOOKMARKS_MENU&folder=UNFILED_BOOKMARKS&folder=TOOLBAR&sort=12&excludeQueries=1&excludeItemIfParentHasAnnotation=livemark%2FfeedURI&maxResults=10&queryType=1"},{"index":2,"title":"","id":9,"parent":2,"dateAdded":1221358078984375,"lastModified":1221358078984375,"type":"text/x-moz-place-separator"},{"index":3,"title":"Get Bookmark Add-ons","id":10,"parent":2,"dateAdded":1221358079000000,"lastModified":1221358079000000,"type":"text/x-moz-place","uri":"https://en-us.add-ons.mozilla.com/en-US/firefox/bookmarks/"},{"index":4,"title":"","id":14,"parent":2,"dateAdded":1221358079000000,"lastModified":1221358079000000,"type":"text/x-moz-place-separator"} (shorted JSON file content - c)