This article applies to:
    - WebMarshal 
- Internet Explorer 11 
Symptoms:
    - Trying to open a PDF file from the download notification bar in Internet Explorer 11 
- Error message indicates the file is "moved or deleted" or "cannot be found" 
- Retrying the download normally succeeds 
Causes:
    - This issue is caused by a fault in Internet Explorer 11. 
Resolution:
Follow the steps in Microsoft Knowledge Base Article 3110711
You must install a security update and then edit the Registry.
Notes:
Although the fault is in IE, reports from the field suggest that the problem behavior is more likely to happen when browsing through a proxy server such as WebMarshal.