SystemCheck errors can occur if you do not properly configure settings before you run SystemCheck.
Below are three possible errors and information on how to avoid them.
Content Site Not Detected
To run SystemCheck, you must allow access to the following URL in your firewall settings:
Failure to allow access to this URL disables all buttons in the Testing Capacity tab, and SystemCheck displays the error message below (click to enlarge):
Plugin Not Detected
To run SystemCheck, you should download the latest supported version of Java for your browser.
Oracle disables an existing version of Java when it releases a new version that contains critical fixes. Failure to download the new version of the Java plugin results in the following error because the Java applet cannot load (click to enlarge):
System Check is Unable to Run
To run SystemCheck, you must allow it to fetch content from URLs specified in the Firewall/Proxy Servers/Content Filtering section of the System Requirements page.
Failure to access these URLs due to browser security settings causes SystemCheck to display the following error (click to enlarge):
