With the Java update of version 1.8.0_341, an error may arise. Here is the way to fix that error:

• Note the security warning pop-up.
  
• Check the box at the lower left corner, to indicate you accept the risk associated and click the Run button.
• Wait for the next pop-up warning screen, as shown below:
  
• Click the Run with the latest version button.
• Wait for the last screen to appear, as shown below:
• Check box box (labeled Do not show this again) and click the Allow button.
• Run MCtime, Oracle or whatever other app you had intended when you were originally prompted with this error.

As with anything else tech-related, please do not hesitate to submit a TSR if you still have trouble.