To resolve this issue, follow the below article:
If the issue persists, please provide the following information:
• At what point does the issue happen? (such as opening RealPlayer, burning CD, during sign in or accessing library etc.)
• What is the operating system of your computer (Windows XP, Vista, 7, 8, 8.1, 10)?
• Do you have any security software installed (Norton, McAfee, AVG, etc.)?
The more specific you are, the better I will be able to assist you.