Verna, what specifically were you trying to download and run? Did you download BLS-2016 for the first time and try to install it, or were you updating a lower version number of BLS-2016 to its current release version?
I don't recall seeing "cntl J" (control-J?) as a command within BLS-2016, so I'm confused about what you were attempting to do.
Always check, download, and install the most recent update of your software to ensure that issues may have been corrected.