There have been several complaints about uploading recently. This one about Norton may help: "Well, the trouble shot is about the new Northon Internet Security Pack... We have try 6 different version of window and after all when disconnecting the whole Northon pack, it works. So if some have Northon and encounter this problem, you may know what to do ! This antivirus software is now so complexe that there are of course many many reasons to troubleshooting."