Asking for User Name and Password when connecting to Report Manager

Problem:

When I openned http://localhost/reports, I got the username/pw dialog. This post basically says that if you can connect to SSRS via SSMS but cannot connect to report manager, you could try to remove RSWindowsNegotiate and ensure RSWindowsNTLM is specified in the file rsreportserver.config. But it did not help.

Solution:

Run the IE as an admin.