The Data Packet With Type-0x96- Returned Was Misformatted «FAST ✭»

Example:

If you have a log output like this: ERROR: TYPE 0x96 | DATA: FF 00 96 0A 00 08 00 ...

: The packet was encrypted, but the key used to open it was wrong. ✅ Recommended Fixes Power Cycle the data packet with type-0x96- returned was misformatted

If type-0x96 packets can be fragmented (split across multiple physical frames), and one fragment is lost or reordered, the reassembled packet will have missing data, causing a length mismatch.

You are using v2.0 of a protocol where type-0x96 has an 8-byte header. The remote device is running v1.9, where type-0x96 has a 6-byte header and a different flag mapping. The v2.0 parser sees a "short" packet and cries foul. Example: If you have a log output like

If this error started after a Windows update or a software patch, the driver is likely the issue.

: A medical device manufacturer receives intermittent error reports: "The data packet with type-0x96 returned was misformatted" from a patient monitor communicating with a central nursing station over Ethernet UDP. You are using v2

Biometric scanners are sensitive to voltage drops. If the USB port isn't providing a steady 5V, the device may initialize the 0x96 packet correctly but fail to complete the transmission, leading to a truncated, misformatted result. Step-by-Step Solutions Step 1: Power Cycle and Port Swap