Hi Trintadant,
Thank you for reporting.
Could you please refer the below link and follow the guidelines to uninstall CIS using CIScleanuptool ?
https://forums.comodo.com/news-announcements-feedback-cis/official-comodo-uninstaller-v31055-released-t121091.0.html;msg920161#msg920161
Once the CIS is uninstalled, Refer the below link to download CIS and Install CIS again & then check the issue.
https://forums.comodo.com/news-announcements-feedback-cis/comodo-internet-security-2020-v12228012-released-t126945.0.html;msg906599#msg906599
Let us know your feedback.
Thanks
C.O.M.O.D.O RT