Deep Freeze is much similar to Returnil creates a virtual environment, where the changes made in this environment will be undone after restart of your Computer, it is like your installed programs, changed system files, etc.. all will be undone and system will be restored to state before changes are made after system restart. If you have forgotten the Deep Freeze password, you can bypass Deep Freeze process with an Anti Deep Freeze tool.

bypass Deep Freeze process on your Computer with Anti Deep Freeze

You can either choose “New process” from Anti Deep Freeze program, which is recommended option or choose “Bypass Existing process”, which requires debugging privileges.

Anti Deep Freeze is free and portable tool, no installation is required.

Anti Deep Freeze