How to fix NU1301?

What is the service index for source NuGet?

I am a C# developer and just learning about package management, Nuget and NuGet services.

I am doing all this on my PC so no real worries of other developers corrupting my local cache. I installed Nuget 3.5 yesterday and when I enter the following code in my console:
(new PackageRestorer()). .GetSource(null) This is the response that I get and I have not defined any source: "StatusCode":404. "Version":3.5, "Message":"A client error has occurred. (Request) ---> System.ArgumentNullException: Value cannot be null.r
Parameter name: Sourcer. "}

When I do the same command on other developers PC's using NuGet 3.5 on Win 8 64 bit with no problems. My guess is there must be an error in my credentials or something as they are not being passed to the NuGet executable where there is a file named credentials.xml that is empty:
. . Can anyone explain what I have wrong or if this is something that should be in my NuGet package manager options? You need to make sure that you can connect to your repository without using Windows Authentication or the service index will not work. To connect without Windows authentication add the following setting to your connection string in the .nuget/config file: "AuthSource": "". A detailed description can be found here.

How to fix NU1301?

In the past few days, I've noticed a lot of complaints about N and how difficult to get to work.

I don't have any N, so I had no chance to try myself. But by searching Google and reading the FAQ files, I've figured out how to resolve problems people seem to have with N.

And I'll try to write it out here: How to turn on your computer? The power key has been changed to Start in Windows 8; use the. Windows button (instead of the start button). Use the keyboard to enter the bootloader instead of pressing the power key. There are more instructions here. (If you have an English version of Windows 8, the power key will be called Shut Down.)
How to install other languages? Open the language installer from the control panel and select the language(s) you want to install. How to fix other audio & video problems? 1) If your computer boots to your display but no sound is working or. You're not able to change the volume setting, go to Display Settings. Turn on Multimedia Controller and check if that works. For more instructions, please click here. (You may not even need this one.) 2) To fix sound issues, go to Control Panel. Sounds, All audio Devices, Playback tab, then press Speaker Properties. Select your output device under Other available devices. Select Advanced Settings and change the device ID for your hardware. 3) To fix any audio issues, open a program like Sound Recorder or. Sound Forge. If that doesn't work, make sure "PCM" is selected under the drop down menu. How to fix video and screen flickering issues? Download this file (for example, from here) to your desktop. And execute the downloaded executable file. How to uninstall N? You don't have to, but if you still don't understand what's. Wrong or if you don't want to keep your N, we provide a. Customer care guide which has the detailed information about how to. Uninstall. Just download it to your computer and follow these