Hi @quentyana
Greetings from McAfee.
Sorry for the inconvenience caused.
Please help us with the answers for the below questions.
May I know the McAfee version?
Is windows updates are up to date?
Is there any third party anti-virus product installed? if so, un-install the program.
Alternatively, you can always contact chat support using the link below for immediate assistance or call our helpline number 24/7 (866-622-3911)US.
McAfee Support
If this information was helpful in any way or answered your question, please mark it as the accepted solution and give Kudos if appropriate.
Regards,
Hari