AutoFixture: Unable to install AutoFixture

I am having issue wtih AutoFixture I can’t figure out what the real cause of the issue is.

PM> Install-Package AutoFixture
Attempting to gather dependency information for package 'AutoFixture.3.48.0' with respect to project 'Tests\SquareConnect.Tests', targeting '.NETFramework,Version=v4.5.2'
Attempting to resolve dependencies for package 'AutoFixture.3.48.0' with DependencyBehavior 'Lowest'
Resolving actions to install package 'AutoFixture.3.48.0'
Resolved actions to install package 'AutoFixture.3.48.0'
Install failed. Rolling back...
Package 'AutoFixture.3.48.0' does not exist in project 'SquareConnect.Tests'
Package 'AutoFixture.3.48.0' does not exist in folder 'D:\Documents\GitHub\SqaureConnect.NET\packages'
Install-Package : '.', hexadecimal value 0x00, is an invalid character. Line 1, position 1.
At line:1 char:1
+ Install-Package AutoFixture
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Install-Package], Exception
    + FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PackageManagement.PowerShellCmdlets.InstallPackageCommand