You will want to look into the following in order to resolve this issue:
1.) Check designated path for existing files, delete if old files exist, then replace with new files. (The new files may be unable to copy over existing, due to Read only attributes of existing files.)
2.) Make sure that there is enough hard drive space left on C:\\ (approx. 100 MG needed) If there is not enough space or amount is limited, it would be a good idea to perform Defragment and Disk Cleanup on computer to safely remove unnecessary data.