My modpack is not installing

[KcPlayz]

Hello, i did everything correctly for my modpack, inside the bin folder i made forge modpack.jar, Inside the config absolutely nothing, Inside the mods folder the mods i want, I add to archive for the bin, config, and mods, i make them modpack.jar, I place modpack.jar into the dropbox alternative "copy.com". It uploads i make my modpack i place the info in and i copy the public link from the dropbox i use, i paste it in the modpack location. I click update modpack. i go in to the technic launcher. i look up my modpack, There it is right? ok when i press install it never works nor did it install. this is the error message i get "Error downloading a file for the following pack: "" , failed to download https://copy.com/wi2xAMSblnUJxdO2, Please consult the modpack author". Alright so some of your answers i may have tried to please tell me differently or something similar. I need all the help i can get Ty for your comments !! 

[jumpandshootbeef]

Did you name it <yourmodpackname>-<version>.zip? Is the link a DIRECT download link and not a press the button to download? Did you wait a while after trying?