Fix PowerShell Installing NuGet, says unable to access internet About err PowerShell Installing NuGet, says unable to access internet Fix PowerShell Installing NuGet, says unable to access internet Chạy lệnh này trước [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 References https://stackoverflow.com/questions/55826791/powershell-installing-nuget-says-unable-to-access-internet-but-i-actually-can