How to remove this warning message from startup?
(sshnas21.dll not found)
Your computer probably has a virus. Scan and clean your computer with an up to date reliable virusscanner.
Found this :
SSHNAS21.DLL is a malicious software that work on the system and causes the harm to the system. It increase usage of the process by running the multiple process. So if you are running with this dll file then remove it as soon as possible
Hope this helps