White screen downloader

When I try to download my app on downloader I get a white screen and it will not download but Yesterday It did . Anyone know a fix or why this is happening I have the app on my sever and I tried with a Google drive share link and still got the white screen .but works with trotpoint url
15867058323299057569774991399910|666x500

Fixed I added sitelock to my website and had to white list the download urls .