Requesting you to kindly provide us more information on the below:
1. What is the Operating System that you use, please include service pack details as well
2. What is the version of the McAfee programs you have on the computer?
3. Do you have any printer installed in your computer? If yes, please mention the brand and model details of the printer
4. Did you recently make any changes to your computer like installing any new hardware (or) software?