What should I do if when installing a package for sublime text 3 it gives an error (on all packages, not only on Dota KV)?

Question

Sublime Text

ignored packages updated to: ["Dota KV", "Vintage"]
reloading settings Packages/User/Package Control.sublime-settings
reloading settings Packages/User/Preferences.sublime-settings
Package Control: Attempting to use Urllib downloader due to WinINet error : Error downloading package. Connection refused (errno 12029) during HTTP write phase of downloading https://codeload.github.com/bhargavrpatel/dota_kv/...
Package Control: Error downloading package. URL error [WinError 10061] Connection not established because destination computer denied connection request downloading https://codeload.github.com/bhargavrpatel/dota_kv/...
error: Package Control
Unable to download Dota KV. Please view the console for more details.
ignored packages updated to: ["Vintage"]
reloading settings Packages/User/Package Control.sublime-settings
reloading settings Packages/User/Preferences.sublime-settings