Someone got this issue while trying to run a scottrade.com applet.
To fix this
1: open java webstart by typing javaws -viewer,in a command prompt close the cache page and open up the security page. Click certificates and remove the one belonging to the application. If this doesn’t fix it …
2: Check the time and date on the PC.
3: Go to "C:\Users\YOUR USERNAME HERE\AppData\LocalLow\Sun\Java\Deployment\security" and delete trusted.certs.
4: Open control panel Open the Java control panel and go to the "Advanced" tab. Open Security and then General (if available), turn the option "Allow user to grant permissions to content from an untrusted authority" to on.
