hello , i'm so desapointed with a bug apparently use with firefox or win 7 64 bits download problems. When i try to download a vid on a site i'm register and customer paiement, i've the right to do this, the download is working with all files mp4. But when i try to download a file more 200mb, i get error message classic, c\user\local\temp\xxx.part could not be saved or read , please contact the website or try again.. I don't understand why all file between 1 to 200Mb correctly downloaded and not over 200MB. I try all solutions : firefox safe mode without add-on, about:config reset browser.download, so what can i do to solve problem with.. thanks