Here is the output from the terminal.
W:Failed to fetch http://apt.insynchq.com/ubuntu/dists/vivid/non-free/binary-amd64/Packages 403 Forbidden
W:Failed to fetch http://apt.insynchq.com/ubuntu/dists/vivid/contrib/binary-amd64/Packages 403 Forbidden
W:Failed to fetch http://apt.insynchq.com/ubuntu/dists/vivid/non-free/binary-i386/Packages 403 Forbidden
W:Failed to fetch http://apt.insynchq.com/ubuntu/dists/vivid/contrib/binary-i386/Packages 403 Forbidden
E:Some index files failed to download. They have been ignored, or old ones used instead.
I get an error every time my system tries to update. I could simply remove insync from the software list but figured you might want to know so you can fix it.