If adding an exception does not work, or if you are running a local file, you can lower the global security threshold.
The most secure way to run a blocked application is to "whitelist" its specific web address. This allows that specific application to run while keeping your overall system security high. How to Fix Java Applet Security Errors - UCSD Math your security settings have blocked an application exclusive
If the file is not blocked but still won't run, it may need higher privileges. If adding an exception does not work, or
Click and then Apply . Restart your browser or the application to see if the block is lifted. 2. Adjust Security Levels your security settings have blocked an application exclusive
"Your security settings have blocked an application from running with an insecure or expired certificate."