The "story" of version 6.20 is one of a digital arms race. Because this specific version was so prevalent in schools around 2007–2008, it became the primary target for "unfreezer" tools and exploits. The Shortcut
and double-click the polar bear icon in the system tray (or press Ctrl+Alt+Shift+F6 Enter the password and select "Boot Thawed."
For legitimate users who have lost access, Faronics Support provides official methods: Deep Freeze Vulnerabilities Overview | PDF - Scribd
Understanding how Deep Freeze operates is essential to diagnosing why version 6.20 causes such significant system lockouts. The software functions at the kernel driver level, intercepting read and write requests to the hard drive. System State Driver Behavior Data Persistence Redirects write operations to a temporary allocation table. Discarded completely upon system reboot. Thawed State Allows direct write operations to the hard drive. Saved permanently across reboots.
The most concerning vulnerabilities require no technical expertise: Fuck Deep Freeze V6.20
If you find it one day at the end of Hawthorn Lane, knock politely. Tell it your name. Leave one small thing you carry—an apology, a recipe, a photograph—and it may, in its own slow way, teach you how to keep it without letting it become all of you. Memory, the house says without words, is an act of stewardship, and there is an art to tending what will not be yours forever.
Method A: Using a WinPE or Linux Bootable Media (The Safest Route)
For IT admins with a mischievous streak, V6.20 was the ultimate prop. It enabled a specific brand of "entertainment" known as the Safe Prank. An admin could flip the screen orientation, change the mouse speed, or fill the desktop with terrifying icons, wait for the user to panic, and then simply whisper, "Just restart." This created a "Groundhog Day" dynamic in offices. The computer had no memory, but the users did. It was a shared joke between the IT department and the hardware.
To help provide the most relevant assistance moving forward, could you clarify a few details? The "story" of version 6
| Environment | Benefit | |-------------|---------| | | Kids can’t install crapware; parents find system pristine each morning. | | Hotel/Airbnb entertainment hub | Guests can’t leave personal data or change settings; next guest gets fresh start. | | Internet café / gaming lounge | Resets after each player — no saved passwords, no leftover mods or cheats. | | Library or museum media kiosk | Always boots into the same interactive entertainment interface. |
Modern antivirus software often flags these as malware. Use them only on systems you own and at your own risk. 3. Uninstalling Deep Freeze
These tools scanned the RAM for the specific memory address where the status flag ( 0 for Thawed, 1 for Frozen) was held by the kernel driver.
If you are managing a system and have lost the Customization Code or password, Faronics generally recommends a full reformat of the workstation, as they do not provide "backdoor" passwords for security reasons. The software functions at the kernel driver level,
The streetlight still throws down its indifferent pool of light. The house continues to keep its ledger. People pass by and tuck their hands into their coats. They say, Quietly, as if to themselves: "Some houses remember." Then they quicken their step the way people hurry past altars.
In version 6.20, if an attacker or administrator booted the machine into an alternative environment (such as a Linux Live USB or WinPE disk), the Persi0.sys driver would not load. From this external environment, the user could directly modify or delete the Deep Freeze configuration files ( Persi0.sys on the root of the C:\ drive), effectively breaking the freeze cycle upon the next native Windows boot.
To understand why it is so difficult to bypass, it helps to understand what Deep Freeze does under the hood.