web site

i am trying to open a site , it gives following error on a particular workstation in my office.

on any other workstation it works fine. I find problem opening one site only.

it was windows 7 professional , 32 bit- IE 8

I find same error opening in google chrome as well .

Server Error in '/' Application.
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The resource cannot be found.
Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable.  Please review the following URL and make sure that it is spelled correctly.

Requested URL: /
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Version Information: Microsoft .NET Framework Version:2.0.50727.5448; ASP.NET Version:2.0.50727.5456

erver Error in '/' Application.
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Invalid URI: The URI is empty.
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.UriFormatException: Invalid URI: The URI is empty.

Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[UriFormatException: Invalid URI: The URI is empty.]
   Ektron.Cms.EkException.ThrowException(Exception ex) +29
   Ektron.Cms.CommonApiBase.InitializeRequestInformation() +50818
   Ektron.Cms.CommonApi..ctor() +17
   Ektron.Cms.CommonApi.get_Current() +448
   Ektron.Site.CmsData.get_ApplicationPath() +9
   Ektron.Cms.API.JS.RegisterSiteData(Control control) +28
   Ektron.Cms.API.JS.RegisterJSInclude(Control control, String path, String id) +332
   Ektron.Cms.API.JS.RegisterJSInclude(Control control, ManagedScript managedScript) +154
   Ektron.Cms.Controls.EkWebControl.RegisterJQueryScript() +44
   Ektron.Cms.Controls.ListSummary.OnInit(EventArgs e) +96
   System.Web.UI.Control.InitRecursive(Control namingContainer) +143
   System.Web.UI.Control.InitRecursive(Control namingContainer) +391
   System.Web.UI.Control.InitRecursive(Control namingContainer) +391
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1477

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Version Information: Microsoft .NET Framework Version:2.0.50727.5448; ASP.NET Version:2.0.50727.5456