Posting the same question in different threads will not help you get an answer quicker. Open windows explorer and right click on the 'C' drive. Choose 'Properties' from the menu. That will tell you how much space you have left. If it's less than 10 or 12 GB you don't have enough space. If you have more than 15 GB free, your drive may be formatted with a FAT filesystem, and you're getting that message because Fab wants to write a file bigger than 4 GB (the approximate size limit for a single file in an FAT disk).