We are truly sorry for the inconvenience cause, we request you to follow the steps below to remove Mcafee WebAdvisor and update us the outcome.
1. Uninstall McAfee Webadvisor from programs and features.
2. Delete the McAfee Web Advisor folder from the following locations:
C:\Program Files\Common Files\McAfee
C:\Program Files (x86)\McAfee
C:\Program Files (x86)\Common Files\McAfee
3. Reboot the PC
If you need any additional assistance you can get in touch with our chat support team by accessing the link below,
McAfee Chat Support