Safeshield is described as 'Creates a virtualization layer to prevent changes to the OS from becoming permanent' and is an app in the network & admin category. There are six alternatives to Safeshield for a variety of platforms, including Windows, VirtualBox, VMware vSphere Hypervisor, Microsoft Hyper-V Server and Proxmox Virtual Environment. The best alternative is Deep Freeze. It's not free, so if you're looking for a free alternative, you could try Toolwiz Time Freeze or Reboot Restore Rx. Other great apps like Safeshield are Shadow Defender, CacheGuard-OS and Wioski.
Deep Freeze Reboot Restore Software prevents any changes made on your system making PCs indestructible. Reboot Restore software is a comprehensive Windows System Restore solution that empower end users with each reboot.
Toolwiz Time Freeze is an effective Instant System Restore software to keep your computer system safe and protect your computer from undesired changes. It can also protect your files and folders from changes with a secure password protection.
Reboot Restore Rx makes it easy to maintain PC’s in small public access computing environments (classrooms, computer labs, kiosks, internet cafes, libraries, etc.). Every time you restart the PCs they will automatically reset to your predefined baseline setting.