The Verdict: Is Deep Freeze 7.51.020.4179 "With Permanent" Right for You?

While Deep Freeze stops save-to-disk malware (ransomware, trojans, keyloggers), note:

4. Security and Compatibility Risks (Critical)

Maintenance with ThawSpaces

: To make permanent changes, the system must be "Thawed". You can create "ThawSpaces" (up to 1 TB) to store files or programs that you want to persist across reboots. Key Features for Standard Edition Deep Freeze Standard Edition 7.51.020.4179 With Permanent