| Name | CMS_406901_1770642135.954517_0 |
| Workunit | 239046690 |
| Created | 9 Feb 2026, 13:02:17 UTC |
| Sent | 9 Feb 2026, 14:43:56 UTC |
| Report deadline | 12 Mar 2026, 14:43:56 UTC |
| Received | 9 Feb 2026, 14:46:04 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | -2147467259 (0x80004005) Unknown error code |
| Computer ID | 10694846 |
| Run time | 20 sec |
| CPU time | 0 sec |
| Priority | 0 |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 20.86 GFLOPS |
| Application version | CMS Simulation v70.91 (vbox64_mt_mcore_cms) windows_x86_64 |
| Peak working set size | 12.82 MB |
| Peak swap size | 2.28 MB |
| Peak disk usage | 787.83 KB |
<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
Unspecified error
(0x80004005) - exit code 2147500037 (0x80004005)</message>
<stderr_txt>
2026-02-09 08:44:06 (19088): vboxwrapper version 26210
2026-02-09 08:44:06 (19088): BOINC client version: 8.0.2
2026-02-09 08:44:06 (19088): Detected: VirtualBox VboxManage Interface (Version: 7.0.6)
2026-02-09 08:44:07 (19088): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2026-02-09 08:44:07 (19088): Successfully copied 'init_data.xml' to the shared directory.
2026-02-09 08:44:07 (19088): Create VM. (boinc_88b51c7e5a3664c8, slot#0)
2026-02-09 08:44:07 (19088): Setting Memory Size for VM. (4584MB)
2026-02-09 08:44:08 (19088): Setting CPU Count for VM. (4)
2026-02-09 08:44:08 (19088): Setting Chipset Options for VM.
2026-02-09 08:44:08 (19088): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-02-09 08:44:08 (19088): Setting Boot Options for VM.
2026-02-09 08:44:09 (19088): Setting Network Configuration for NAT. (Driver: virtio)
2026-02-09 08:44:09 (19088): Enabling VM Network Access.
2026-02-09 08:44:10 (19088): Disabling USB Support for VM.
2026-02-09 08:44:10 (19088): Disabling COM Port Support for VM.
2026-02-09 08:44:10 (19088): Disabling LPT Port Support for VM.
2026-02-09 08:44:10 (19088): Disabling Audio Support for VM.
2026-02-09 08:44:11 (19088): Disabling Clipboard Support for VM.
2026-02-09 08:44:11 (19088): Disabling Drag and Drop Support for VM.
2026-02-09 08:44:11 (19088): Adding storage controller(s) to VM.
2026-02-09 08:44:11 (19088): Adding virtual disk drive to VM. (CMS_2025_04_08_prod.vdi)
2026-02-09 08:44:13 (19088): Adding VirtualBox Guest Additions to VM.
2026-02-09 08:44:14 (19088): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-02-09 08:44:14 (19088): forwarding host port 63682 to guest port 80
2026-02-09 08:44:14 (19088): Enabling remote desktop for VM.
2026-02-09 08:44:15 (19088): Enabling shared directory for VM.
2026-02-09 08:44:15 (19088): Starting VM using VBoxManage interface. (boinc_88b51c7e5a3664c8, slot#0)
2026-02-09 08:44:19 (19088): Error in start VM for VM: -2147467259
Command:
VBoxManage -q startvm "boinc_88b51c7e5a3664c8" --type headless
Output:
VBoxManage.exe: error: Not in a hypervisor partition (HVP=0) (VERR_NEM_NOT_AVAILABLE).
VBoxManage.exe: error: AMD-V is disabled in the BIOS (or by the host OS) (VERR_SVM_DISABLED)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_88b51c7e5a3664c8" to power on...
2026-02-09 08:44:19 (19088): VM failed to start.
2026-02-09 08:44:19 (19088): Could not start
2026-02-09 08:44:19 (19088): ERROR: VM failed to start
2026-02-09 08:44:19 (19088): Powering off VM.
2026-02-09 08:44:19 (19088): Deregistering VM. (boinc_88b51c7e5a3664c8, slot#0)
2026-02-09 08:44:19 (19088): Removing network bandwidth throttle group from VM.
2026-02-09 08:44:19 (19088): Removing VM from VirtualBox.
Hypervisor System Log:
00:00:13.415620 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415626 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415632 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415638 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415644 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415649 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415655 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415661 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415667 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415673 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415683 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415690 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415696 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415946 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415959 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415965 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415972 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415978 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415984 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415990 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.415996 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416002 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416008 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416014 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416020 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416026 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416032 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416038 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416044 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416053 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416060 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416067 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:13.416161 Saving settings file "C:\Users\Will\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:13.427471 Finished saving settings file "C:\Users\Will\.VirtualBox\VirtualBox.xml"
00:00:13.427613 Saving settings file "C:\Users\Will\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:13.434997 Finished saving settings file "C:\Users\Will\.VirtualBox\VirtualBox.xml"
00:00:13.435922 DeleteVM Saving settings file "C:\Users\Will\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:13.443776 DeleteVM Finished saving settings file "C:\Users\Will\.VirtualBox\VirtualBox.xml"
00:00:18.447892 main VirtualBox: object deletion starts
00:00:18.448686 main HostDnsMonitor: shutting down ...
00:00:18.448721 main HostDnsMonitor: shut down
00:00:18.449806 Watcher ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={7682d5eb-f00e-44f1-8ca2-99d08b1cd607} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
00:00:18.450027 main VirtualBox: object deleted
VM Execution Log:
VM Startup Log:
VM Trace Log:
ording_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="C:\\ProgramData\\BOINC\\slots\\0\\boinc_88b51c7e5a3664c8\\boinc_88b51c7e5a3664c8-screen0.webm"
rec_screen_opts="vc_enabled=true,ac_enabled=false,ac_profile=med"
rec_screen_video_res_xy="1024x768"
rec_screen_video_rate_kbps=512
rec_screen_video_fps=25
description="CMS_406901_1770642135.954517_0"
GuestMemoryBalloon=0
2026-02-09 08:44:09 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --nic1 nat --nic-type1 "virtio" --cable-connected1 off --nat-dns-proxy1 on
Exit Code: 0
Output:
2026-02-09 08:44:10 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --cable-connected1 on
Exit Code: 0
Output:
2026-02-09 08:44:10 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --usb off
Exit Code: 0
Output:
2026-02-09 08:44:10 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --uart1 off --uart2 off
Exit Code: 0
Output:
2026-02-09 08:44:10 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --lpt1 off --lpt2 off
Exit Code: 0
Output:
2026-02-09 08:44:11 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --audio-enabled off
Exit Code: 0
Output:
2026-02-09 08:44:11 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --clipboard disabled
Exit Code: 0
Output:
2026-02-09 08:44:11 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --draganddrop disabled
Exit Code: 0
Output:
2026-02-09 08:44:11 (19088):
Command: VBoxManage -q storagectl "boinc_88b51c7e5a3664c8" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:
2026-02-09 08:44:12 (19088):
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi"
Exit Code: 0
Output:
UUID: fa49c4e2-ad29-47a5-b96a-3c89ce80d84c
Parent UUID: base
State: created
Type: multiattach
Location: C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_04_08_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity: 20480 MBytes
Size on disk: 3853 MBytes
Encryption: disabled
Property: AllocationBlockSize=1048576
2026-02-09 08:44:12 (19088):
Command: VBoxManage -q storageattach "boinc_88b51c7e5a3664c8" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi"
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_04_08_prod.vdi': the media type 'MultiAttach' can only be attached to machines that were created with VirtualBox 4.0 or later
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component SessionMachine, interface IMachine, callee IUnknown
VBoxManage.exe: error: Context: "AttachDevice(Bstr(pszCtl).raw(), port, device, DeviceType_HardDisk, pMedium2Mount)" at line 785 of file VBoxManageStorageController.cpp
2026-02-09 08:44:12 (19088):
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi"
Exit Code: 0
Output:
UUID: fa49c4e2-ad29-47a5-b96a-3c89ce80d84c
Parent UUID: base
State: created
Type: multiattach
Location: C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_04_08_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity: 20480 MBytes
Size on disk: 3853 MBytes
Encryption: disabled
Property: AllocationBlockSize=1048576
2026-02-09 08:44:12 (19088):
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_04_08_prod.vdi"
Exit Code: 0
Output:
2026-02-09 08:44:13 (19088):
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi"
Exit Code: 0
Output:
UUID: fa49c4e2-ad29-47a5-b96a-3c89ce80d84c
Parent UUID: base
State: created
Type: normal (base)
Location: C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\CMS_2025_04_08_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity: 20480 MBytes
Size on disk: 3853 MBytes
Encryption: disabled
Property: AllocationBlockSize=1048576
2026-02-09 08:44:13 (19088):
Command: VBoxManage -q storageattach "boinc_88b51c7e5a3664c8" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi"
Exit Code: 0
Output:
2026-02-09 08:44:13 (19088):
Command: VBoxManage -q storageattach "boinc_88b51c7e5a3664c8" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none
Exit Code: 0
Output:
2026-02-09 08:44:13 (19088):
Command: VBoxManage -q storageattach "boinc_88b51c7e5a3664c8" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/CMS_2025_04_08_prod.vdi"
Exit Code: 0
Output:
2026-02-09 08:44:14 (19088):
Command: VBoxManage -q storageattach "boinc_88b51c7e5a3664c8" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso"
Exit Code: 0
Output:
2026-02-09 08:44:14 (19088):
Command: VBoxManage -q bandwidthctl "boinc_88b51c7e5a3664c8" add "boinc_88b51c7e5a3664c8_net" --type network --limit 1024G
Exit Code: 0
Output:
2026-02-09 08:44:14 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --natpf1 ",tcp,127.0.0.1,63682,,80"
Exit Code: 0
Output:
2026-02-09 08:44:15 (19088):
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 1
Pack no. 0: Oracle VM VirtualBox Extension Pack
Version: 6.1.26
Revision: 145957
Edition:
Description: Oracle Cloud Infrastructure integration, USB 2.0 and USB 3.0 Host Controller, Host Webcam, VirtualBox RDP, PXE ROM, Disk Encryption, NVMe.
VRDE Module: VBoxVRDP
Crypto Module:
Usable: false
Why unusable: VBoxExtPackRegister returned VERR_VERSION_MISMATCH, pReg=0000000000000000 ErrInfo='Helper version mismatch - expected 0x3 got 0x50000'
2026-02-09 08:44:15 (19088):
Command: VBoxManage -q modifyvm "boinc_88b51c7e5a3664c8" --vrde on --vrdeextpack default --vrdeauthlibrary default --vrdeauthtype null --vrdeport 63683 --vrde-property "Security/Method=RDP"
Exit Code: 0
Output:
2026-02-09 08:44:15 (19088):
Command: VBoxManage -q sharedfolder add "boinc_88b51c7e5a3664c8" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\0/shared"
Exit Code: 0
Output:
2026-02-09 08:44:19 (19088):
Command: VBoxManage -q startvm "boinc_88b51c7e5a3664c8" --type headless
Exit Code: -2147467259
Output:
VBoxManage.exe: error: Not in a hypervisor partition (HVP=0) (VERR_NEM_NOT_AVAILABLE).
VBoxManage.exe: error: AMD-V is disabled in the BIOS (or by the host OS) (VERR_SVM_DISABLED)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_88b51c7e5a3664c8" to power on...
2026-02-09 08:44:19 (19088):
Command: VBoxManage -q snapshot "boinc_88b51c7e5a3664c8" list
Exit Code: -108
Output:
This machine does not have any snapshots
2026-02-09 08:44:19 (19088):
Command: VBoxManage -q bandwidthctl "boinc_88b51c7e5a3664c8" remove "boinc_88b51c7e5a3664c8_net"
Exit Code: 0
Output:
VBoxManage.exe: error: Bandwidth groups cannot be deleted while the VM is running
2026-02-09 08:44:19 (19088):
Command: VBoxManage -q unregistervm "boinc_88b51c7e5a3664c8" --delete
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
2026-02-09 08:44:25 (19088): called boinc_finish(-2147467259)
</stderr_txt>
]]>
©2026 CERN