[BUG]: Crash on boot - USBMIDI2.SYS

[Yearofthegoat]

Windows Version

Windows 11 Pro, OS Build 26200.8246

Service Installation Method

GitHub

SDK version, if appropriate

SDK Release Candidate 4 (GitHub Preview) 1.0.17-rc.4.25

Location

Other or Unsure (please indicate in additional notes section below)

Type of bug

Windows Crash (please include device id from Windows Settings About page)

Steps to reproduce

From a cold start (system has been shut down prior, not hibernated or slept), PC crashes after POST, during Windows boot: black screen with error message "Device ran into a problem, restarting" (or similar).

Device ID: BC2D4A8A-14DB-4493-8FAD-F28C518E27F3

Event Viewer BugCheck entry XML:

-<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
-<System>
  <Provider Name="Microsoft-Windows-WER-SystemErrorReporting" Guid="{abce23e7-de45-4366-8631-84fa6c525952}" /> 
  <EventID>1001</EventID> 
  <Version>1</Version> 
  <Level>2</Level> 
  <Task>0</Task> 
  <Opcode>0</Opcode> 
  <Keywords>0x8000000000000000</Keywords> 
  <TimeCreated SystemTime="2026-04-23T19:56:30.4553534Z" /> 
  <EventRecordID>21491</EventRecordID> 
  <Correlation /> 
  <Execution ProcessID="1508" ThreadID="1512" /> 
  <Channel>System</Channel> 
  <Computer>PJW1[-](https://github.com/microsoft/MIDI/issues#)WIN11</Computer> 
  <Security UserID="S-1-5-18" /> 
  </System>
- <EventData>
  <Data Name="param1">0x000000d1 (0xffff8202016a57d8, 0x0000000000000002, 0x0000000000000000, 0xfffff806bddb4b17)</Data> 
  <Data Name="param2">C:\WINDOWS\Minidump\042326-11968-01.dmp</Data> 
  <Data Name="param3">08d4cf2e-4971-4330-b6be-ecba16e4ed24</Data> 
  </EventData>
  </Event>

WinDBG analysis of minidump file attached.

USBMIDI2_sys_bugcheck_analysis.txt

Expected behavior

Expected system to boot normally. PC has been okay up to now.

Additional notes

MIDI devices connected prior to power-on:

• Akai LPD8
• RME Digiface USB (TotalMix responds to MIDI control via the LPD8)
• Korg nanoKONTROL2
• Native Instruments S61 Mk3