yes this hapens to me alot i just wait a day or two then it let me download but it wont let me open the other ones so i hvae lfiles with the name cham_1,chams_2 and so on till like 23, well its because your antivirus picks it up and then it deletes it from your compputer i mean everywere its at even on your download folder thats why then it wont let you download for a day or 2 just hold on lol hapens all the time ..