Games for Windows LIVE: "Invalid Certificate" error at sign in


When you try to sign in to Games for Windows - LIVE, you receive the following error message:
Invalid Certificate.


This error may occur because of one of the following conditions:
  • Malware or a virus on your computer
  • Local area network (LAN) issues
  • Internet service provider (ISP) issues

What To Try

If your computer is infected with a virus or malware, you will have to remove the problem software by using an antivirus or antispyware program. These problems are caused by phishing sites, Trojans, and spyware. To learn more about how to handle malware or virus problems, please visit the following Microsoft Web site: If your computer has not been infected by malicious software, the issue may be caused by network or Internet service provider problems. To resolve these problems, do one of the following things:
  • For help correctly configuring your local area network and your router and installing the latest updates, contact the router manufacturer. For information about how to contact the router manufacturer, visit the following Microsoft Web site:
  • For help with your Internet connection and the status of your service, contact your Internet service provider.

Artikel-id: 977699 - Laatst bijgewerkt: 1 jul. 2010 - Revisie: 1