Stderr output

<core_client_version>8.2.8</core_client_version>
<![CDATA[
<message>
process exited with code 18 (0x12, -238)</message>
<stderr_txt>
2026-01-11 20:09:21 (4254): vboxwrapper version 26210
2026-01-11 20:09:21 (4254): BOINC client version: 8.2.8
2026-01-11 20:09:22 (4254): Detected: VirtualBox VboxManage Interface (Version: 7.2.4)
2026-01-11 20:09:22 (4254): Detected: Sandbox Configuration Enabled
2026-01-11 20:09:22 (4254): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds)
2026-01-11 20:09:22 (4254): Successfully copied 'init_data.xml' to the shared directory.
2026-01-11 20:09:22 (4254): Successfully copied 'input' to the shared directory.
2026-01-11 20:09:22 (4254): Create VM. (boinc_c9267de9d2d6b0a4, slot#2)
2026-01-11 20:09:23 (4254): Setting Memory Size for VM. (1024MB)
2026-01-11 20:09:23 (4254): Setting CPU Count for VM. (1)
2026-01-11 20:09:23 (4254): Setting Chipset Options for VM.
2026-01-11 20:09:24 (4254): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-01-11 20:09:24 (4254): Setting Boot Options for VM.
2026-01-11 20:09:25 (4254): Setting Network Configuration for NAT. (Driver: virtio)
2026-01-11 20:09:25 (4254): Enabling VM Network Access.
2026-01-11 20:09:25 (4254): Disabling USB Support for VM.
2026-01-11 20:09:25 (4254): Disabling COM Port Support for VM.
2026-01-11 20:09:26 (4254): Disabling Audio Support for VM.
2026-01-11 20:09:26 (4254): Disabling Clipboard Support for VM.
2026-01-11 20:09:26 (4254): Disabling Drag and Drop Support for VM.
2026-01-11 20:09:27 (4254): Adding storage controller(s) to VM.
2026-01-11 20:09:27 (4254): Adding virtual disk drive to VM. (Theory_2025_08_13_prod.vdi)
2026-01-11 20:09:31 (4254): Adding VirtualBox Guest Additions to VM.
2026-01-11 20:09:31 (4254): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-01-11 20:09:31 (4254): forwarding host port 54251 to guest port 80
2026-01-11 20:09:32 (4254): Enabling remote desktop for VM.
2026-01-11 20:09:33 (4254): Enabling shared directory for VM.
2026-01-11 20:09:35 (4254): Starting VM using VBoxManage interface. (boinc_c9267de9d2d6b0a4, slot#2)
2026-01-11 20:09:35 (4254): Error in start VM for VM: -2135228398
Command:
VBoxManage -q startvm "boinc_c9267de9d2d6b0a4" --type headless
Output:
VBoxManage: error: Cannot run the machine because its platform architecture x86 is not supported on ARM
VBoxManage: error: Details: code VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED (0x80bb0012), component MachineWrap, interface IMachine, callee nsISupports
VBoxManage: error: Context: "LaunchVMProcess(a->session, sessionType.raw(), ComSafeArrayAsInParam(aBstrEnv), progress.asOutParam())" at line 921 of file VBoxManageMisc.cpp

2026-01-11 20:09:35 (4254): VM failed to start.
2026-01-11 20:09:35 (4254): Could not start 
2026-01-11 20:09:35 (4254): ERROR: VM failed to start
2026-01-11 20:09:35 (4254): Powering off VM.
2026-01-11 20:09:35 (4254): Deregistering VM. (boinc_c9267de9d2d6b0a4, slot#2)
2026-01-11 20:09:36 (4254): Removing network bandwidth throttle group from VM.
2026-01-11 20:09:37 (4254): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:09.498103 DCon01   Platform architecture set to 'x86'
00:00:09.508181 DCon01   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:09.510115 DCon01   Saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox" with version "1.19-macosx"
00:00:09.511418 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox"
00:00:09.512364 DCon01   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:09.514588 DCon01   Saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox" with version "1.19-macosx"
00:00:09.515445 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox"
00:00:09.516476 DCon01   Saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox" with version "1.19-macosx"
00:00:09.517471 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox"
00:00:09.897813 DCon01   Platform architecture set to 'x86'
00:00:09.918130 DCon01   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:09.929836 DCon01   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:09.931806 DCon01   Saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml" with version "1.12-macosx"
00:00:09.932752 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml"
00:00:09.933087 DCon01   Saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml" with version "1.12-macosx"
00:00:09.934210 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml"
00:00:09.936401 DCon01   Saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox" with version "1.19-macosx"
00:00:09.938298 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox"
00:00:10.188096 DCon03   Platform architecture set to 'x86'
00:00:10.193649 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox" with version "1.19-macosx"
00:00:10.194649 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox"
00:00:10.468364 DCon03   Platform architecture set to 'x86'
00:00:10.473182 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox" with version "1.19-macosx"
00:00:10.474359 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox"
00:00:10.941809 DCon01   Platform architecture set to 'x86'
00:00:10.959904 DCon03   VRDE: Generating certificate files '/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/VRDEAutoGeneratedCert.pem' and '/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/VRDEAutoGeneratedPrivateKey.pem'...
00:00:11.316915 DCon03   Saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox" with version "1.19-macosx"
00:00:11.318079 DCon03   Finished saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox"
00:00:11.683317 DCon01   Platform architecture set to 'x86'
00:00:11.728546 DCon01   Saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox" with version "1.19-macosx"
00:00:11.729774 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox"
00:00:11.852735 DCon01   Platform architecture set to 'x86'
00:00:11.868461 DCon01   ERROR [COM]: aRC=VBOX_E_NOT_SUPPORTED (0x80bb0009) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This VM is not encrypted}, preserve=false aResultDetail=0
00:00:12.917306 DCon01   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:12.970601 DCon01   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:13.246999 DCon03   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={83cfdc66-4f20-4569-ad39-8722f7d472b3} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0
00:00:13.273718 DCon03   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:14.134484 DCon03   ERROR [COM]: aRC=VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED (0x80bb0012) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={Cannot run the machine because its platform architecture x86 is not supported on ARM}, preserve=false aResultDetail=0
00:00:14.614806 DCon01   Platform architecture set to 'x86'
00:00:14.622180 DCon01   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:15.214540 DCon01   Platform architecture set to 'x86'
00:00:15.242101 DCon01   Saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox" with version "1.19-macosx"
00:00:15.243075 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4.vbox"
00:00:15.785027 DCon01   Saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml" with version "1.12-macosx"
00:00:15.788514 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml"
00:00:15.788599 DCon01   Saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml" with version "1.12-macosx"
00:00:15.794651 DCon01   Finished saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml"
00:00:15.803600 DeleteVM Saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml" with version "1.12-macosx"
00:00:15.805132 DeleteVM Finished saving settings file "/Library/Application Support/BOINC Data/projects/VirtualBox/VirtualBox.xml"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

hidpointing="ps2mouse"
hidkeyboard="ps2kbd"
uart1="off"
uart2="off"
uart3="off"
uart4="off"
lpt1="off"
lpt2="off"
audio="default"
audio_out="off"
audio_in="off"
clipboard="disabled"
draganddrop="disabled"
vrde="off"
usb="off"
ehci="off"
xhci="off"
recording_started="off"
recording_enabled="off"
recording_screens=1
 rec_screen0
rec_screen_enabled="on"
rec_screen_id=0
rec_screen_video_enabled="on"
rec_screen_audio_enabled="off"
rec_screen_dest="File"
rec_screen_dest_filename="/Library/Application Support/BOINC Data/slots/2/boinc_c9267de9d2d6b0a4/boinc_c9267de9d2d6b0a4-screen0.webm"
rec_screen_opts="ac_profile=med"
rec_screen_video_res_xy="1024x768"
rec_screen_video_rate_kbps=512
rec_screen_video_fps=25
description="Theory_2922-4809807-452_0"
GuestMemoryBalloon=0

2026-01-11 20:09:25 (4254): 
Command: VBoxManage -q modifyvm "boinc_c9267de9d2d6b0a4" --nic1 nat --nic-type1 "virtio" --cable-connected1 off --nat-dns-proxy1 on 
Exit Code: 0
Output:

2026-01-11 20:09:25 (4254): 
Command: VBoxManage -q modifyvm "boinc_c9267de9d2d6b0a4" --cable-connected1 on 
Exit Code: 0
Output:

2026-01-11 20:09:25 (4254): 
Command: VBoxManage -q modifyvm "boinc_c9267de9d2d6b0a4" --usb off 
Exit Code: 0
Output:

2026-01-11 20:09:26 (4254): 
Command: VBoxManage -q modifyvm "boinc_c9267de9d2d6b0a4" --uart1 off --uart2 off 
Exit Code: 0
Output:

2026-01-11 20:09:26 (4254): 
Command: VBoxManage -q modifyvm "boinc_c9267de9d2d6b0a4" --audio-enabled off 
Exit Code: 0
Output:

2026-01-11 20:09:26 (4254): 
Command: VBoxManage -q modifyvm "boinc_c9267de9d2d6b0a4" --clipboard disabled 
Exit Code: 0
Output:

2026-01-11 20:09:27 (4254): 
Command: VBoxManage -q modifyvm "boinc_c9267de9d2d6b0a4" --draganddrop disabled 
Exit Code: 0
Output:

2026-01-11 20:09:27 (4254): 
Command: VBoxManage -q storagectl "boinc_c9267de9d2d6b0a4" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-01-11 20:09:27 (4254): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:
UUID:           045b03b5-74fd-4f58-8f68-0eee86fe796d
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2847 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2026-01-11 20:09:28 (4254): 
Command: VBoxManage -q storageattach "boinc_c9267de9d2d6b0a4" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Cannot attach medium '/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi': the media type 'MultiAttach' can only be attached to machines that were created with VirtualBox 4.0 or later
VBoxManage: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component SessionMachine, interface IMachine, callee nsISupports
VBoxManage: error: Context: "AttachDevice(Bstr(pszCtl).raw(), port, device, DeviceType_HardDisk, pMedium2Mount)" at line 786 of file VBoxManageStorageController.cpp

2026-01-11 20:09:28 (4254): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:
UUID:           045b03b5-74fd-4f58-8f68-0eee86fe796d
Parent UUID:    base
State:          created
Type:           multiattach
Location:       /Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2847 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2026-01-11 20:09:28 (4254): 
Command: VBoxManage -q closemedium disk "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-01-11 20:09:29 (4254): 
Command: VBoxManage -q showhdinfo "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:
UUID:           045b03b5-74fd-4f58-8f68-0eee86fe796d
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       /Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2847 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2026-01-11 20:09:30 (4254): 
Command: VBoxManage -q storageattach "boinc_c9267de9d2d6b0a4" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-01-11 20:09:31 (4254): 
Command: VBoxManage -q storageattach "boinc_c9267de9d2d6b0a4" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2026-01-11 20:09:31 (4254): 
Command: VBoxManage -q storageattach "boinc_c9267de9d2d6b0a4" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/Library/Application Support/BOINC Data/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-01-11 20:09:31 (4254): 
Command: VBoxManage -q storageattach "boinc_c9267de9d2d6b0a4" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "/Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2026-01-11 20:09:31 (4254): 
Command: VBoxManage -q bandwidthctl "boinc_c9267de9d2d6b0a4" add "boinc_c9267de9d2d6b0a4_net" --type network --limit 1024G 
Exit Code: 0
Output:

2026-01-11 20:09:32 (4254): 
Command: VBoxManage -q modifyvm "boinc_c9267de9d2d6b0a4" --natpf1 ",tcp,127.0.0.1,54251,,80" 
Exit Code: 0
Output:

2026-01-11 20:09:32 (4254): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 1
Pack no. 0:   Oracle VirtualBox Extension Pack
Version:        7.2.4
Revision:       170995
Edition:        
Description:    Oracle Cloud Infrastructure integration, VirtualBox RDP, PXE ROM, Disk Encryption, full VM encryption.
VRDE Module:    VBoxVRDP
Crypto Module:  VBoxPuelCrypto
Usable:         true
Why unusable:   

2026-01-11 20:09:33 (4254): 
Command: VBoxManage -q modifyvm "boinc_c9267de9d2d6b0a4" --vrde on --vrdeextpack default --vrdeauthlibrary default --vrdeauthtype null --vrdeport 54252 --vrde-property "Security/Method=RDP" 
Exit Code: 0
Output:

2026-01-11 20:09:33 (4254): 
Command: VBoxManage -q sharedfolder add "boinc_c9267de9d2d6b0a4" --name "shared" --hostpath "/Library/Application Support/BOINC Data/slots/2/shared"
Exit Code: 0
Output:

2026-01-11 20:09:35 (4254): 
Command: VBoxManage -q startvm "boinc_c9267de9d2d6b0a4" --type headless
Exit Code: -2135228398
Output:
VBoxManage: error: Cannot run the machine because its platform architecture x86 is not supported on ARM
VBoxManage: error: Details: code VBOX_E_PLATFORM_ARCH_NOT_SUPPORTED (0x80bb0012), component MachineWrap, interface IMachine, callee nsISupports
VBoxManage: error: Context: "LaunchVMProcess(a->session, sessionType.raw(), ComSafeArrayAsInParam(aBstrEnv), progress.asOutParam())" at line 921 of file VBoxManageMisc.cpp

2026-01-11 20:09:36 (4254): 
Command: VBoxManage -q snapshot "boinc_c9267de9d2d6b0a4" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2026-01-11 20:09:37 (4254): 
Command: VBoxManage -q bandwidthctl "boinc_c9267de9d2d6b0a4" remove "boinc_c9267de9d2d6b0a4_net" 
Exit Code: 0
Output:

2026-01-11 20:09:37 (4254): 
Command: VBoxManage -q unregistervm "boinc_c9267de9d2d6b0a4" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-01-11 20:09:42 (4254): called boinc_finish(-2135228398)

</stderr_txt>
]]>

©2026 CERN