Close the tool. Eject the USB drive via Windows safely. Re-insert it. Right-click the drive in "This PC" and perform a standard (FAT32 or exFAT).
(often referred to as an "UMP Tool"). These utilities are primarily used by manufacturers or technicians to: Format and Partition Umptoolv6a.exe
: It executes code that reboots/shuts down the system and loads the CBMUSBSys.sys driver, which mirrors malware behavior. Best Practice : Run this tool only inside a Virtual Machine (VM) Close the tool