The remote server returned an error: (404) Not Found.

Hi experts
I got the error:
  "The remote server returned an error:404 Not Found" when I do "GetResponse" with the following code.

  var request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(base.Url());
  var response = (System.Net.HttpWebResponse)request.GetResponse();

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I'd checked the content of "base.Url()" and it was fine. I could use it to access the remote file via the Internet Explorer.

Actually the code used to work but now it gave me the above error. Kindly please point to me the right direction. Thanks in Advance.
dominicwongAsked:
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Kamal KhaleefaConnect With a Mentor Information Security SpecialistCommented:
try to trace your code and check what is the value of base.url
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ienaxxxConnect With a Mentor Commented:
one example here:
string baseUrl = Request.Url.Scheme + "://" + Request.Url.Authority +
    Request.ApplicationPath.TrimEnd('/') + "/";

perhaps in the folder represented by just the base.url() there is no default page.

edit:padas
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dominicwongAuthor Commented:
Thanks king2002 and ienaxxx for your prompt responses.
I'd checked the base.url as king2002 suggested. I found out that was the source of my grief.
The problem was due to upper and lower case of the file which my program was looking for.
My program was looking for "App.msi" but the file at the remote server was named "APP.msi".

I'd checked the history of my program and the naming convention of the file.
I realized that it had been like that all the way, and it was working fine. I don't know why and since when a url becomes case sensitive.
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dominicwongAuthor Commented:
Thank you.
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