Flutter doctor: Unable to download dart sdk,BITS service failed in windows

Question

error showing:

Downloading the Dart SDK using the BITS service failed, retrying with WebRequest...
Invoke-WebRequest : The underlying connection was closed: An unexpected error occurred on a send.
At C:\src\flutter\bin\internal\update_dart_sdk.ps1:68 char:5
+     Invoke-WebRequest -Uri $dartSdkUrl -OutFile $dartSdkZip
+     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-WebRequest], WebExc
   eption
    + FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommand

Please, I need help I'm new in flutter.

Solution 1

use VPN and try running the command again. it worked for me.

Solution 2

Don't run an elevated command prompt - run it as a user command prompt instead.

Solution 3

I had the same problem.

You need to have access to internet and run then run

flutter doctor

from the command line or terminal. It should download the Dart SDK and some other tools.

My output after running flutter doctor: