In Windows Security Center, "AhnLab V3 is snoozed." message can appear.
There is not influence in Anti-Virus operation.
You can resolve it through the following method simply.
After V3 9.0.61 Patch, binary was altered and Both of Preexisting and new V3 simultaneously registered in Windows Security Center as Security Producer.
This appear once after V3 9.0.61 Patch. After rebooting PC, it will be resolved.
So that this symptom doesn't appear fundamentally, replace V3 Installation file with the latest one.