Forum Discussion
Username6
Feb 16, 2026Copper Contributor
Windows Defender Cannot Be Activated After Uninstalling Comodo Anti Virus– Help Needed (Windows 10)
Hello Community, I’m experiencing a problem with my Windows 10 laptop and hope to get some guidance. Official support is no longer available for my system, so I’m turning to the community for help. ...
Coltenpo
Mar 12, 2026Copper Contributor
Your detailed description indicates that leftover components or registry entries from Comodo may be blocking Windows Defender from functioning properly. Since you've already tried several standard troubleshooting steps without success.