Stderr output

<core_client_version>8.2.8</core_client_version>
<![CDATA[
<message>
process exited with code 5 (0x5, -251)</message>
<stderr_txt>
2026-01-19 20:41:15 (287803): vboxwrapper version 26210
2026-01-19 20:41:15 (287803): BOINC client version: 8.2.8
2026-01-19 20:41:15 (287803): Detected: VirtualBox VboxManage Interface (Version: 7.2.4)
2026-01-19 20:41:15 (287803): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds)
2026-01-19 20:41:15 (287803): Successfully copied 'init_data.xml' to the shared directory.
2026-01-19 20:41:15 (287803): Successfully copied 'input' to the shared directory.
2026-01-19 20:41:15 (287803): Create VM. (boinc_d52e7145b468ddc0, slot#24)
2026-01-19 20:41:15 (287803): Setting Memory Size for VM. (1024MB)
2026-01-19 20:41:15 (287803): Setting CPU Count for VM. (1)
2026-01-19 20:41:15 (287803): Setting Chipset Options for VM.
2026-01-19 20:41:15 (287803): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-01-19 20:41:15 (287803): Setting Boot Options for VM.
2026-01-19 20:41:15 (287803): Setting Network Configuration for NAT. (Driver: virtio)
2026-01-19 20:41:15 (287803): Enabling VM Network Access.
2026-01-19 20:41:16 (287803): Disabling USB Support for VM.
2026-01-19 20:41:16 (287803): Disabling COM Port Support for VM.
2026-01-19 20:41:16 (287803): Disabling LPT Port Support for VM.
2026-01-19 20:41:16 (287803): Disabling Audio Support for VM.
2026-01-19 20:41:16 (287803): Disabling Clipboard Support for VM.
2026-01-19 20:41:16 (287803): Disabling Drag and Drop Support for VM.
2026-01-19 20:41:16 (287803): Adding storage controller(s) to VM.
2026-01-19 20:41:17 (287803): Adding virtual disk drive to VM. (Theory_2025_08_13_prod.vdi)
2026-01-19 20:41:17 (287803): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-01-19 20:41:17 (287803): forwarding host port 59877 to guest port 80
2026-01-19 20:41:17 (287803): Enabling remote desktop for VM.
2026-01-19 20:41:17 (287803): Required extension pack not installed, remote desktop not enabled.
2026-01-19 20:41:17 (287803): Enabling shared directory for VM.
2026-01-19 20:41:18 (287803): Starting VM using VBoxManage interface. (boinc_d52e7145b468ddc0, slot#24)
2026-01-19 20:41:18 (287803): Error in start VM for VM: -2147467259
Command:
VBoxManage -q startvm "boinc_d52e7145b468ddc0" --type headless
Output:
VBoxManage: error: VirtualBox kernel driver is not accessible, permission problem. If you have built VirtualBox yourself, make sure that you do not have the vboxdrv kernel module from a different build or installation loaded. Also, make sure the vboxdrv udev rule gives you the permission you need to access the device. (VERR_VM_DRIVER_NOT_ACCESSIBLE)
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_d52e7145b468ddc0" to power on...

2026-01-19 20:41:18 (287803): VM failed to start.
2026-01-19 20:41:18 (287803): Could not start 
2026-01-19 20:41:18 (287803): ERROR: VM failed to start
2026-01-19 20:41:18 (287803): Powering off VM.
2026-01-19 20:41:18 (287803): Deregistering VM. (boinc_d52e7145b468ddc0, slot#24)
2026-01-19 20:41:18 (287803): Removing network bandwidth throttle group from VM.
2026-01-19 20:41:18 (287803): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:04.366374 DCon04   Saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:04.393044 DCon04   Finished saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml"
00:00:04.621239 DCon05   Platform architecture set to 'x86'
00:00:04.631522 DCon04   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
00:00:04.632030 DCon04   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
00:00:04.632314 DCon04   Saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:04.644838 DCon04   Finished saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml"
00:00:04.645514 DCon04   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:04.668053 DCon04   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:04.752250 DCon04   Platform architecture set to 'x86'
00:00:04.759286 DCon04   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:04.783041 DCon04   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:04.836348 DCon05   Platform architecture set to 'x86'
00:00:04.862389 DCon09   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
00:00:04.863210 DCon02   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:04.890700 DCon02   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:04.892137 DCon02   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
00:00:04.894830 DCon02   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:04.900867 DCon02   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:04.902215 DCon09   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:04.919322 DCon09   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:04.962049 DCon09   Platform architecture set to 'x86'
00:00:04.968434 DCon09   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:04.974811 DCon09   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:05.018185 DCon05   Platform architecture set to 'x86'
00:00:05.026239 DCon09   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:05.036884 DCon09   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:05.153559 DCon09   Platform architecture set to 'x86'
00:00:05.157187 DCon09   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:05.181552 DCon09   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:05.231231 DCon04   Platform architecture set to 'x86'
00:00:05.240632 DCon04   ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={2ce10519-3c09-45d8-a12d-e887786146b7} aComponent={VirtualBoxWrap} aText={&#197;&#131;o extension pack providing a cryptographic support module could be found}, preserve=false aResultDetail=0
00:00:05.248142 DCon04   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
00:00:05.248284 DCon04   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
00:00:05.248405 DCon04   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
00:00:05.248520 DCon04   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
00:00:05.256113 DCon04   ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={83cfdc66-4f20-4569-ad39-8722f7d472b3} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0
00:00:05.258062 DCon07   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
00:00:05.298063 DCon07   Launched VM: 671096224 pid: 288075 (0x4654b) frontend: headless name: boinc_d52e7145b468ddc0
00:00:05.330694 DCon04   Platform architecture set to 'x86'
00:00:05.395607 DCon04   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:05.401710 DCon04   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:05.447415 DCon09   Platform architecture set to 'x86'
00:00:05.460704 DCon07   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
00:00:05.555678 DCon05   Platform architecture set to 'x86'
00:00:05.564936 DCon05   Saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox" with version "1.19-linux"
00:00:05.579247 DCon05   Finished saving settings file "/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0.vbox"
00:00:05.649228 DCon05   Saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:05.675351 DCon05   Finished saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml"
00:00:05.675501 DCon05   Saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:05.693386 DCon05   Finished saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml"
00:00:05.696145 DeleteVM Saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml" with version "1.12-linux"
00:00:05.703335 DeleteVM Finished saving settings file "/var/lib/boinc/projects/VirtualBox/VirtualBox.xml"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

monitorcount=1
accelerate3d="off"
teleporterenabled="off"
teleporterport=0
teleporteraddress=""
teleporterpassword=""
tracing-enabled="off"
tracing-allow-vm-access="off"
tracing-config=""
autostart-enabled="off"
autostart-delay=0
defaultfrontend=""
vmprocpriority="default"
natnet1="nat"
macaddress1="0800272A0FE0"
cableconnected1="on"
nic1="nat"
nictype1="82540EM"
nicspeed1="0"
mtu="0"
sockSnd="64"
sockRcv="64"
tcpWndSnd="64"
tcpWndRcv="64"
localhostReachable="0"
forwardBroadcast="0"
enableTFTP="0"
nic2="none"
nic3="none"
nic4="none"
nic5="none"
nic6="none"
nic7="none"
nic8="none"
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"
clipboard_file_transfers="off"
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_dest="File"
rec_screen_dest_filename="/var/lib/boinc/slots/24/boinc_d52e7145b468ddc0/boinc_d52e7145b468ddc0-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_2922-4808957-465_0"
GuestMemoryBalloon=0

2026-01-19 20:41:15 (287803): 
Command: VBoxManage -q modifyvm "boinc_d52e7145b468ddc0" --nic1 nat --nic-type1 "virtio" --cable-connected1 off --nat-dns-proxy1 on 
Exit Code: 0
Output:

2026-01-19 20:41:16 (287803): 
Command: VBoxManage -q modifyvm "boinc_d52e7145b468ddc0" --cable-connected1 on 
Exit Code: 0
Output:

2026-01-19 20:41:16 (287803): 
Command: VBoxManage -q modifyvm "boinc_d52e7145b468ddc0" --usb off 
Exit Code: 0
Output:

2026-01-19 20:41:16 (287803): 
Command: VBoxManage -q modifyvm "boinc_d52e7145b468ddc0" --uart1 off --uart2 off 
Exit Code: 0
Output:

2026-01-19 20:41:16 (287803): 
Command: VBoxManage -q modifyvm "boinc_d52e7145b468ddc0" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2026-01-19 20:41:16 (287803): 
Command: VBoxManage -q modifyvm "boinc_d52e7145b468ddc0" --audio-enabled off 
Exit Code: 0
Output:

2026-01-19 20:41:16 (287803): 
Command: VBoxManage -q modifyvm "boinc_d52e7145b468ddc0" --clipboard disabled 
Exit Code: 0
Output:

2026-01-19 20:41:16 (287803): 
Command: VBoxManage -q modifyvm "boinc_d52e7145b468ddc0" --draganddrop disabled 
Exit Code: 0
Output:

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q storagectl "boinc_d52e7145b468ddc0" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc/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:       /var/lib/boinc/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

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q storageattach "boinc_d52e7145b468ddc0" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage: error: Cannot attach medium '/var/lib/boinc/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 782 of file VBoxManageStorageController.cpp

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc/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:       /var/lib/boinc/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

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q closemedium disk "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q showhdinfo "/var/lib/boinc/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:       /var/lib/boinc/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

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q storageattach "boinc_d52e7145b468ddc0" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q storageattach "boinc_d52e7145b468ddc0" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q storageattach "boinc_d52e7145b468ddc0" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "/var/lib/boinc/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q bandwidthctl "boinc_d52e7145b468ddc0" add "boinc_d52e7145b468ddc0_net" --type network --limit 1024G 
Exit Code: 0
Output:

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q modifyvm "boinc_d52e7145b468ddc0" --natpf1 ",tcp,127.0.0.1,59877,,80" 
Exit Code: 0
Output:

2026-01-19 20:41:17 (287803): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 1
Pack no. 0:   Oracle VBoxDTrace Extension Pack
Version:        7.2.4
Revision:       170995
Edition:        
Description:    Experimental and unsupported extension pack providing DTrace features to VirtualBox.
VRDE Module:    
Crypto Module:  
Usable:         true
Why unusable:   

2026-01-19 20:41:18 (287803): 
Command: VBoxManage -q sharedfolder add "boinc_d52e7145b468ddc0" --name "shared" --hostpath "/var/lib/boinc/slots/24/shared"
Exit Code: 0
Output:

2026-01-19 20:41:18 (287803): 
Command: VBoxManage -q startvm "boinc_d52e7145b468ddc0" --type headless
Exit Code: -2147467259
Output:
VBoxManage: error: VirtualBox kernel driver is not accessible, permission problem. If you have built VirtualBox yourself, make sure that you do not have the vboxdrv kernel module from a different build or installation loaded. Also, make sure the vboxdrv udev rule gives you the permission you need to access the device. (VERR_VM_DRIVER_NOT_ACCESSIBLE)
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component ConsoleWrap, interface IConsole
Waiting for VM "boinc_d52e7145b468ddc0" to power on...

2026-01-19 20:41:18 (287803): 
Command: VBoxManage -q snapshot "boinc_d52e7145b468ddc0" list 
Exit Code: 0
Output:
This machine does not have any snapshots

2026-01-19 20:41:18 (287803): 
Command: VBoxManage -q bandwidthctl "boinc_d52e7145b468ddc0" remove "boinc_d52e7145b468ddc0_net" 
Exit Code: 0
Output:

2026-01-19 20:41:18 (287803): 
Command: VBoxManage -q unregistervm "boinc_d52e7145b468ddc0" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-01-19 20:41:23 (287803): called boinc_finish(-2147467259)

</stderr_txt>
]]>

©2026 CERN