There are a number of different runtime errors that may occur on certain portions of the Norman Patch & Remediation Web site which signal a configuration issue. 

Users may see a 'Page cannot be displayed' message, or if Show friendly HTTP Error Messages is disabled in the browser.

The following errors may also appear in the PatchLink Event log:

Event Type: Error
Event Source: PatchLink Update Server
Event Category: None
Event ID: 0
Date: 8/8/2007
Time: 2:54:31 PM
User: N/A
Computer: ComputerName
Location: Global Error Handler

Message: Ambiguous match found.
Inner Message: Ambiguous match found.
Type: System.Web.HttpParseException
URL: http://ComputerName/computers/default.aspx
SOURCE: PatchLink Update Server

This error is caused when the PatchLink Update Server Web Site is running under ASP.NET Framework 2.0 or higher.

To resolve the issue, change the PatchLink Update Server to run under the default ASP.Net Framework 1.1 by following the steps below:

  1. Within the Internet Information Services (IIS) Manager, right-click and select Properties on the PatchLink Update Server website
  2. Choose the ASP.Net tab
  3. Under the ASP.NET version drop-down menu, select version 1.1.4322 instead of version 2.x or 3.x
  4. Click OK
  5. Restart IIS

Need additional help?

Contact us
Avast Total Care

Your premium tech support for PCs, printers & more

Call now for a free consultation and subscribe! 0800-085-4825
devices Get help for all your device problems 24x7