Today I tried installing software from CD onto my Windows 7 Ultimate (x32) system and I encountered a read error on the media. Since I have a valid Serial Number for the software, I decided to fire up uTorrent v1.8.5 (Build 17414) and download the CD ISO. The torrent started downloading at over 700 kB/sec and was 35% complete when the transfer failed with the following error.

Error: The requested operation cannot be performed on a file with a user-mapped section open.