If the device is sending data faster than the software can process it, the "tail" of one packet might be cut off or merged with the "head" of another. This creates a malformed string that the system cannot parse. 4. Power Supply Issues
Are you seeing this error within a (like a time-attendance system) or while developing your own code ?
Right-click each > Properties > Power Management . the data packet with type-0x96- returned was misformatted
Troubleshooting the "Data Packet with Type-0x96 Returned Was Misformatted" Error
PLCs (Programmable Logic Controllers) sometimes use this hex code for heartbeat signals or specific sensor readouts. If the device is sending data faster than
Uncheck "Allow the computer to turn off this device to save power."
In the world of networked hardware and data communication, precision is everything. When you encounter the error message it is a sign that the communication bridge between your software and a specific hardware component—usually a biometric scanner, a security dongle, or a proprietary controller—has broken down. Power Supply Issues Are you seeing this error
If the error started after an update, try the option in Device Manager. Step 3: Check for Firmware Updates
When the system says the packet is it means the software received the data, but the structure (the header, the payload size, or the checksum) didn't match the expected blueprint. Common Causes of Misformatted Packets 1. Driver Mismatch
Some specialized security hardware uses this packet type during the initial decryption phase.