User-166373564 posted
Hi azalut,
Welcome to asp.net forum.
PL-ENG translations (from error screenshot):
Przeglądarka sieci web - Web Browser
Nie można odnaleźć - cannot find
Accroding to the error message above, the path is not correct, you need check it on your side.
If you want to use page Inspector, you could follow the steps in the link below, and check whether it has same issue.
Using Page Inspector in ASP.NET:
http://www.asp.net/mvc/tutorials/mvc-4/using-page-inspector-in-aspnet-mvc
If you have any concern, please give your response.
Regards
Angie