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. ...
Mustafoan
Mar 10, 2026Copper Contributor
Since you uninstalled Comodo, ensure that no leftover registry entries or files are causing conflicts. If the problem persists after trying these steps, you may consider performing an in-place upgrade install of Windows 10 to repair system files without losing data.