无法在vs 2017中添加任何nuget包

Question

Am trying to add nuget package prism.core in vs 2017 and target framework is 4.6.1,its giving this error

Severity Code Description Project File Line Suppression State Error Failed to add reference to 'Microsoft.Practices.ServiceLocation'. Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_E_LIBNOTREGISTERED)

tried to install newtonsoft.json package, got this error

Severity Code Description Project File Line Suppression State Error Failed to add reference to 'Newtonsoft.Json'. Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_E_LIBNOTREGISTERED)) 0

Not able to install any nuget package? is this is something to do with vs 2017?

Answer 1

修复视觉工作室后，它工作。