0.0.0.1 Scinstallcheck.mcafee.com =link= Link

If you did not install McAfee yourself, or if the entry appears alongside other suspicious domain blocks (e.g., 0.0.0.1 update.microsoft.com ), treat it as a red flag.

scinstallcheck.mcafee.com is a legitimate validation endpoint. It checks installation integrity, not your personal files. Blocking it only breaks update workflows. 0.0.0.1 scinstallcheck.mcafee.com

If you don’t use McAfee and don’t want it calling home (e.g., leftover preinstalled software), keeping the entry is fine. But note: it won’t remove McAfee – you should uninstall the product properly. If you did not install McAfee yourself, or