I just went through an issue of a fresh download/install of Shareport Plus to a Win 8.1 tablet which could not connect to the printer on my DIR-835 router. I'm in Canada and got the download from http://support.dlink.ca/ProductInfo.aspx?m=DIR-835 via the link to "Shareport Plus Utility (PC) (4.20)". Ultimately, Carlos of Support directed me to the page http://support.dlink.com/ProductInfo.aspx?m=DIR-835 and the current version 4.30 (how was I to know there was this later one?). Problem solved.
Note that the links are identical except for .ca versus .com. Maybe there are other regional Dlink Support pages that have not been kept up-to-date.
I was on the verge of trying the Silex trick after much unnecessary fiddling and research. The time and stress wasted would have been saved if Dlink had kept its Canadian page abreast of its US page.