Hello! I'm sorry to hear that you're experiencing issues with accessing the virus and threat protection section in the settings of your PC. This error message indicates that your IT administrator has restricted access to this component of the application. If you are not part of an organization or do not have an IT administrator, you may need to check if your user account has administrative privileges.
If you are part of an organization, you may need to contact your IT support team to request access to this component. They may have implemented security policies that restrict access to certain features or settings on your computer. They should be able to provide you with more information on why this component is restricted and how to gain access to it.