BO 6.5 Login page ERROR

hi everyone,
can any one help me about below ERROR in BO 6.5. on login page

[b] The page cannot be displayed
There is a problem with the page you are trying to reach and it cannot be displayed.


Please try the following:

Open the localhost home page, and then look for links to the information you want.
Click the Refresh button, or try again later.

Click Search to look for information on the Internet.
You can also see a list of related sites.

HTTP 500 - Internal server error
Internet Explorer

[/b]


bo_usr (BOB member since 2018-06-29)