I have a max allowed download of 612MB at the moment.
I have a 234MB file that I intended to download. I was downloading through file manager and at 94MB it has stopped saying that the remaining downloadable bytes are not enough for this download. Please see that the downloaded bytes are still at 416MB leaving adequate room for this download to complete.
The problem I think is happening when I press resumes, I calculate on all the 234MB instead of using the partially downloaded file and then calculating remaining download.