large downloads
 

I have attempted to download a few large files on xolox but each stopped at 99% and never complete.
Am I doing something wrong?

Sticking together...
 

Nope ... Xolox downloads big files in segments and keeps these seperated until the end. When Xolox reaches 100 percent it doesn't really display that but start putting together the single packets.

With big files this can take quite some time, so just let Xolox do its work and you should be fine...