Because this software operates at the disk level (MBR/GPT), using an unofficial or modified version can lead to permanent data loss or boot failure.
Set a "golden image" that the system always returns to.
Upon reboot, the Sub-OS simply clears the pointers to the temporary cache sectors. The system immediately reads from the original baseline sectors.
"No," he hissed. He grabbed the mouse. He had to uninstall it. He went to the Control Panel, but the window wouldn't open. The system resources were being hogged by the Restore process.