Modified system files (which activators often replace) cause:
To use the GVLKs listed, you need a KMS host on your local network. If you don't have one, you can learn how to create a KMS host. Microsoft Learn windows server 2016 activator kmspico
The use of KMSPico for activating Windows Server 2016 or any other Windows version raises significant legal and security concerns: windows server 2016 activator kmspico