Windows often locks sectors that it is currently using. A bootable environment gives the software exclusive access to the entire drive.
If your primary C: drive is failing and won't boot into Windows, the ISO is the only way to repair those sectors to get the system running again. hddregenerator2024bootableisoexclusive portable
HDD Regenerator is a unique software designed to regenerate physically damaged hard disk drives. Unlike "format and hide" methods used by standard Windows tools, HDD Regenerator uses an exclusive algorithm to reverse magnetic reversals on the platter surface. Key Benefits of the 2024 Edition: Windows often locks sectors that it is currently using
Keep it on a multi-tool USB drive to diagnose client computers quickly. hddregenerator2024bootableisoexclusive portable