If you are running CIS v4 as Proactive Firewall and using ESET NOD32 as AV you will have to disable ESET to update CIS v4. ESET will block the update.
If you are running CIS v4 as Proactive Firewall and using ESET NOD32 as AV you will have to disable ESET to update CIS v4. ESET will block the update.