Mcafee is windows only. Try these first few steps for a proper uninstall.

1. Boot into windows safe mode by pressing f8 as your computer boots and choosing the safe mode option

2. Now attempt to uninstall it.

3. If it fails, then make sure it is completely turned off by right clicking the mcafee shield icon near your clock(sys tray) and shutting it off.

4. Reattempt uninstallation.


See how well that goes for you