The tool was working well, until today. Now I'm getting this error everytime I try to use it:

Server Error in '/' Application.
The remote server returned an error: (404) Not Found.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Net.WebException: The remote server returned an error: (404) Not Found.

Source Error:

Line 141: WebResponse objResponse;
Line 142: WebRequest objRequest = System.Net.HttpWebRequest.Create(url);
Line 143: objResponse = objRequest.GetResponse();
Line 144: using (StreamReader sr =
Line 145: new StreamReader(objResponse.GetResponseStream()) )


Source File: \\genfs2\www23\asjs\max\rx.aspx Line: 143

Stack Trace:

[WebException: The remote server returned an error: (404) Not Found.]
System.Net.HttpWebRequest.CheckFinalStatus() +676
System.Net.HttpWebRequest.EndGetResponse(IAsyncRes ult asyncResult) +139
System.Net.HttpWebRequest.GetResponse() +147
ASP.rx_aspx.readHtmlPage(String url) in \\genfs2\www23\asjs\max\rx.aspx:143
ASP.rx_aspx.readXML(String xmlfile) in \\genfs2\www23\asjs\max\rx.aspx:84
ASP.rx_aspx.__Render__control1(HtmlTextWriter __output, Control parameterContainer) in \\genfs2\www23\asjs\max\rx.aspx:243
System.Web.UI.Control.RenderChildren(HtmlTextWrite r writer) +27
System.Web.UI.Control.Render(HtmlTextWriter writer) +7
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.Page.ProcessRequestMain() +1929


Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573 postamble();