If it's because you buy smth on steam and smth on Ed website you can link your steam acc to your Ed acc and have steam planes on standalone. Will send link in sec....
I think it's virtual memory. When your system don't have enought memory it save it to hdd/sdd so if you have 8gb ram you can have 32 waay slower but you can have.
http://forums.eagle.ru:8080/showthread.php?t=206173