Manually delete HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USB\VID_... entries for the interface, then reinstall.
DiagBox requires direct hardware access to the USB port and precise timing. Virtual machines introduce latency that breaks CAN bus arbitration. If you insist on Mac/Linux, use a native Windows dual-boot or a dedicated old laptop (Windows 7 Professional 32-bit is the Goldilocks environment). diagbox data access problem
), copy it back into the Diagbox root folder. This often fixes the error without a full reinstall Hardware Re-connection used for reading fault codes
DiagBox is a Windows-based dealer-level suite that bundles Lexia and PP2000 functionality, used for reading fault codes, programming keys, running calibrations, and accessing module parameters on PSA-platform cars. diagbox data access problem