Minecraft Lancher can not download from https://libraries.minecraft.net. Also my custom launcher can not download from this url too.
When you try to download libraries from official minecraft (maven?) repository (https://libraries.minecraft.net), you got this error:
If you want to download this library (and other libraries too) from browser directly, you got this error:
I am Russian and live in Russia, but I think this isn't my problem, because I can connect to this and other sites.