Hi @mukesh13m ,
Hope you are doing well.
You must place the product in disable mode prior to uninstalling it, and unfortunately, it needs a system reboot.
I strongly suggest you schedule this uninstallation in any maintenance window where you can reboot the system.
For further reference, please check these articles:
Remove the Solidcore client
https://docs.mcafee.com/bundle/application-control-8.1.0-windows-installation-guide-epolicy-orchestr...
How to uninstall MACC via ePO
https://youtu.be/qbf_7JXGit4
If you have any further questions, do not hesitate to contact Us.