Visual studio error

I can not able to use visual Studio 2015. After opening the visual Studio iam facing issue.

Error list

System.Exception of type 'system.Exception' was thrown.
At Microsoft.Visual studio.shell.interop.IVshell5.LoadpackagewithContext(guide&packguid,int32,reason,Guide &
Context)
At Microsoft.Visualstudio.platform.WindowFrame.Getpackage()
At Microsoft.Visualstudio.platform.windowFrame.ConstructionContext()