Comment 5 for bug 875297

A workaround that got me past this problem:

0. Boot into a live session
1. Open a terminal
2. sudo -s
3. lsmod and look for the camera driver (mine was uvcvideo)
4. rmmod uvcvideo
5. Add a blacklist file for uvcvideo to /etc/modprobe.d/
6. Start the installation