minecraft marketplace wont download worlds

Hey my name is Cherokee. i have played Minecraft for years now and never had any issue at all. i buy worlds a lot sometimes but this go around i have bought about 5 i guess most being free besides 2. they wont even try to download at all. they also take less  than 5m to download but this go around they wont even try to sadly, i have talked with others and they sent me here to fill a bug and talk with you guys, can you guys please help me and see what is going on??? thanks!