i have a problem, when i tried to Manage Nuget Packages VS2017 showed me this message:
[nuget.org] Unable to load the service index for source https://api.nuget.org/v3/index.json.
An error occurred while sending the request.
The underlying connection was closed: An unexpected error occurred on a send.
Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.
A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
Please can you help me to solve this problem?? I'm going crazy Thank you