Go to "This PC" (could also be my computer) then click on Acer (C: ) it may be under another name for your computer, then click on Program files, then scroll to find iTunes once you find iTunes right click on and select copy, once you have copied it go back to the previous page and click on Program files (x86) should be right under Program files, then once in there right click and select paste, and it should copy the iTunes file and after it completes that you are done and Tonesync should then work.