Believe it or not, a bad USB 3.0 port trying to negotiate backwards compatibility with the USB 2.0 SM3255AA often causes Code 43.
You unplugged the memory bar while Windows was writing a file or indexing the drive. The SM3255AA controller’s firmware crashed, leaving it in a "hung" state.
The identifier refers to a USB flash drive using a controller from Silicon Motion, Inc. (SMI) . The specific mention of "Driver 43" likely refers to Windows Error Code 43 ("Windows has stopped this device because it has reported problems"), which typically indicates a hardware failure or a corrupted controller firmware. Device Identification
Believe it or not, a bad USB 3.0 port trying to negotiate backwards compatibility with the USB 2.0 SM3255AA often causes Code 43.
You unplugged the memory bar while Windows was writing a file or indexing the drive. The SM3255AA controller’s firmware crashed, leaving it in a "hung" state. Sm3255aa Memory Bar Driver 43
The identifier refers to a USB flash drive using a controller from Silicon Motion, Inc. (SMI) . The specific mention of "Driver 43" likely refers to Windows Error Code 43 ("Windows has stopped this device because it has reported problems"), which typically indicates a hardware failure or a corrupted controller firmware. Device Identification Believe it or not, a bad USB 3