Use H2testw after repair to verify that the restored capacity is stable and not prone to data corruption. IC Alcor Micro - USBDev.ru
Before using any repair tools, confirm your drive actually uses the Alcor AU87101A controller. au87101a ufdisk full
: Do not delete current log files if you need them for auditing. If unsure, move them to an external backup first. Use H2testw after repair to verify that the
The controller (AU87101A) has lost its configuration and incorrectly reports zero available space. Write Protection: au87101a ufdisk full