If this is a question about how to use NVM4W, please use stackoverflow instead. If this is an issue regarding antivirus, make sure you search the existing issues first. My Environment Windows 7 or below (not truly supported due to EOL - see wiki for details) Windows 8 Windows 8.1 Windows 10 Windows 10 IoT Core Windows Server 2012 Windows Server 2012 R2 Windows Server 2016 My Windows installation i