We're not sure yet if etsrv.exe and eToken Notification Service are malware, spyware, or some other form of adware. Do you know what etsrv.exe is or what it does? If so, please post a comment and let everyone know if this file is harmful or not.

Adware and malware can infect your machine very easily, even if you only surf the internet.

This free machine scan is probably the best way to make sure you don't experience future issues with harmful files.