Opening project in Visual Studio fails due to nuget.targets not found error

Problem:
I try to open project in Visual Studio and get all these nuget errors:

The imported project "C:\Twitterizer\.nuget\nuget.targets" was not found. 
Confirm that the path in the <Import> declaration is correct, and that the file 
exists on disk.

Solution:
Follow the following steps to resolve above error

1. Install Nuget.
2. Right click on the solution and select “Enable NuGet Package Restore”.
3. Click Ok on the warning.
4. Close and re-open the solution.

Hope this help!