If you are getting “Certificate authority is invalid or incorrect”, “Certificate cannot be validated”, or “Certificate date has expired” then try the following steps. You might also get error’s 800C2F0D or 800C2F05.
- Navigate to http://download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/rootsupd.exe in Internet Explorer.
- You must do this in Internet Explorer and not Firefox or any other broswer.
- After the update has install exit Internet Explorer and attempt to play your content again.