visual studio - Team foundation server doesn't connect -

i'm trying connect tfs in visual studio 2015 , gives error message when click ok,it gives me exception

image :

which means in english: parameter not in expected range.

orignal stack track:

system.nullreferenceexception: la référence d'objet n'est pas définie à une instance d'un objet. à microsoft.visualstudio.shell.interop.ivsshell5.loadpackagewithcontext(guid& packageguid, int32 reason, guid& context) à microsoft.visualstudio.platform.windowmanagement.windowframe.getpackage() à microsoft.visualstudio.platform.windowmanagement.windowframe.constructcontent()

translated stack track:

system.nullreferenceexception: object reference not set instance of object. @ microsoft.visualstudio.shell.interop.ivsshell5.loadpackagewithcontext(guid& packageguid, int32 reason, guid& context) @ microsoft.visualstudio.platform.windowmanagement.windowframe.getpackage() @ microsoft.visualstudio.platform.windowmanagement.windowframe.constructcontent()