Stderr output

<core_client_version>7.14.2</core_client_version>
<![CDATA[
<message>
(unknown error) - exit code -1073741819 (0xc0000005)</message>
<stderr_txt>
2026-03-18 09:30:49 (32324): vboxwrapper version 26210
2026-03-18 09:30:49 (32324): BOINC client version: 7.14.2
2026-03-18 09:30:49 (32324): Detected: VirtualBox VboxManage Interface (Version: 5.2.12)
2026-03-18 09:30:50 (32324): Successfully copied 'init_data.xml' to the shared directory.
2026-03-18 09:30:50 (32324): Create VM. (boinc_d553dba9a8f291be, slot#8)
2026-03-18 09:30:51 (32324): Setting Memory Size for VM. (4800MB)
2026-03-18 09:30:51 (32324): Setting CPU Count for VM. (8)
2026-03-18 09:30:51 (32324): Setting Chipset Options for VM.
2026-03-18 09:30:51 (32324): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-03-18 09:30:52 (32324): Setting Boot Options for VM.
2026-03-18 09:30:52 (32324): Setting Network Configuration for NAT. (Driver: virtio)
2026-03-18 09:30:52 (32324): Enabling VM Network Access.
2026-03-18 09:30:53 (32324): Disabling USB Support for VM.
2026-03-18 09:30:53 (32324): Disabling COM Port Support for VM.
2026-03-18 09:30:53 (32324): Disabling LPT Port Support for VM.
2026-03-18 09:30:53 (32324): Disabling Audio Support for VM.
2026-03-18 09:30:54 (32324): Disabling Clipboard Support for VM.
2026-03-18 09:30:54 (32324): Disabling Drag and Drop Support for VM.
2026-03-18 09:30:54 (32324): Adding storage controller(s) to VM.
2026-03-18 09:30:55 (32324): Adding virtual disk drive to VM. (ATLAS_vbox_3.03_image.vdi)
2026-03-18 09:30:55 (32324): Adding VirtualBox Guest Additions to VM.
2026-03-18 09:30:55 (32324): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-03-18 09:30:56 (32324): forwarding host port 55861 to guest port 80
2026-03-18 09:30:56 (32324): Enabling remote desktop for VM.
2026-03-18 09:30:56 (32324): Required extension pack not installed, remote desktop not enabled.
2026-03-18 09:30:56 (32324): Enabling shared directory for VM.
2026-03-18 09:30:57 (32324): Starting VM using VBoxManage interface. (boinc_d553dba9a8f291be, slot#8)
2026-03-18 09:30:57 (32324): Error in start VM for VM: -1073741819
Command:
VBoxManage -q startvm "boinc_d553dba9a8f291be" --type headless
Output:
Waiting for VM "boinc_d553dba9a8f291be" to power on...
VBoxManage.exe: error: The virtual machine 'boinc_d553dba9a8f291be' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine

2026-03-18 09:30:57 (32324): VM failed to start.
2026-03-18 09:30:57 (32324): Could not start 
2026-03-18 09:30:57 (32324): ERROR: VM failed to start
2026-03-18 09:30:57 (32324): Powering off VM.
2026-03-18 09:30:57 (32324): Deregistering VM. (boinc_d553dba9a8f291be, slot#8)
2026-03-18 09:30:57 (32324): Removing network bandwidth throttle group from VM.
2026-03-18 09:30:58 (32324): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:30.409600          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:31.313029 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_d553dba9a8f291be' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:31.313528 Watcher  Reaper: Pid 22416 (5790) exited normally: -1073741819 (0xc0000005)
00:00:31.366048          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:31.412982          Saving settings file "C:\ProgramData\BOINC\slots\8\boinc_d553dba9a8f291be\boinc_d553dba9a8f291be.vbox" with version "1.16-windows"
00:00:31.673526          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:32.924343          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={9570b9d5-f1a1-448a-10c5-e12f5285adad} aComponent={VirtualBoxWrap} aText={Could not find a registered machine named 'boinc_dca969c11247565a'}, preserve=false aResultDetail=0
00:00:33.203497          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:33.209798          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:33.463391          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:33.726471          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:33.987504          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:34.253232          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:34.518407          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:34.776880          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:35.042965          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:35.306151          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:35.569595          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:35.829321          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:36.093453          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:36.354498          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:36.617469          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:36.879974          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:37.143497          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:37.404713          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:37.930786          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:37.931301          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 0 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:37.933345          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:37.935965          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:38.190540          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:38.191049          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 1 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:38.191049          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:38.452890          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:38.718463          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:39.240470          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:39.503994          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:39.503994          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:39.508902          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:40.354149 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_dca969c11247565a' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:40.354149 Watcher  Reaper: Pid 3388 (d3c) exited normally: -1073741819 (0xc0000005)
00:00:40.409966          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:40.458474          Saving settings file "C:\ProgramData\BOINC\slots\4\boinc_dca969c11247565a\boinc_dca969c11247565a.vbox" with version "1.16-windows"
00:00:40.718969          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

n: 10.0.26200

2026-03-18 09:30:50 (32324): 
Command: VBoxManage -q showvminfo "boinc_d553dba9a8f291be" --machinereadable 
Exit Code: -2135228415
Output:
VBoxManage.exe: error: Could not find a registered machine named 'boinc_d553dba9a8f291be'
VBoxManage.exe: error: Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component VirtualBoxWrap, interface IVirtualBox, callee IUnknown
VBoxManage.exe: error: Context: "FindMachine(Bstr(VMNameOrUuid).raw(), machine.asOutParam())" at line 2834 of file VBoxManageInfo.cpp

2026-03-18 09:30:50 (32324): 
Command: VBoxManage -q createvm --name "boinc_d553dba9a8f291be" --basefolder "C:\ProgramData\BOINC\slots\8" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_d553dba9a8f291be' is created and registered.
UUID: 6a68cb93-f74c-40bd-9fe4-c3daf3096cab
Settings file: 'C:\ProgramData\BOINC\slots\8\boinc_d553dba9a8f291be\boinc_d553dba9a8f291be.vbox'

2026-03-18 09:30:51 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --description "LwTKDm0duM9n9Rq4apOajLDm4fhM0noT9bVooX4SDmOGyLDmFvGJTm_0" 
Exit Code: 0
Output:

2026-03-18 09:30:51 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --memory 4800 
Exit Code: 0
Output:

2026-03-18 09:30:51 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --cpus 8 
Exit Code: 0
Output:

2026-03-18 09:30:51 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --acpi on --ioapic on --rtcuseutc off 
Exit Code: 0
Output:

2026-03-18 09:30:52 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2026-03-18 09:30:52 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2026-03-18 09:30:52 (32324): 
Command: VBoxManage -q showvminfo "boinc_d553dba9a8f291be" --machinereadable 
Exit Code: 0
Output:
name="boinc_d553dba9a8f291be"
groups="/"
ostype="Linux 2.6 / 3.x / 4.x (64-bit)"
UUID="6a68cb93-f74c-40bd-9fe4-c3daf3096cab"
CfgFile="C:\\ProgramData\\BOINC\\slots\\8\\boinc_d553dba9a8f291be\\boinc_d553dba9a8f291be.vbox"
SnapFldr="C:\\ProgramData\\BOINC\\slots\\8\\boinc_d553dba9a8f291be\\Snapshots"
LogFldr="C:\\ProgramData\\BOINC\\slots\\8\\boinc_d553dba9a8f291be\\Logs"
hardwareuuid="6a68cb93-f74c-40bd-9fe4-c3daf3096cab"
memory=4800
pagefusion="off"
vram=16
cpuexecutioncap=100
hpet="off"
chipset="piix3"
firmware="BIOS"
cpus=8
pae="on"
longmode="on"
triplefaultreset="off"
apic="on"
x2apic="on"
cpuid-portability-level=0
bootmenu="messageandmenu"
boot1="disk"
boot2="dvd"
boot3="none"
boot4="none"
acpi="on"
ioapic="on"
biosapic="apic"
biossystemtimeoffset=0
rtcuseutc="off"
hwvirtex="on"
nestedpaging="on"
largepages="on"
vtxvpid="on"
vtxux="on"
paravirtprovider="default"
effparavirtprovider="kvm"
VMState="poweroff"
VMStateChangeTime="2026-03-18T08:30:50.558000000"
monitorcount=1
accelerate3d="off"
accelerate2dvideo="off"
teleporterenabled="off"
teleporterport=0
teleporteraddress=""
teleporterpassword=""
tracing-enabled="off"
tracing-allow-vm-access="off"
tracing-config=""
autostart-enabled="off"
autostart-delay=0
defaultfrontend=""
natnet1="nat"
macaddress1="0800272944C1"
cableconnected1="on"
nic1="nat"
nictype1="82540EM"
nicspeed1="0"
mtu="0"
sockSnd="64"
sockRcv="64"
tcpWndSnd="64"
tcpWndRcv="64"
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="dsound"
audio_in="false"
audio_out="false"
clipboard="disabled"
draganddrop="disabled"
vrde="off"
usb="off"
ehci="off"
xhci="off"
videocap="off"
videocap_audio="off"
videocapscreens=0
videocapfile="C:\ProgramData\BOINC\slots\8\boinc_d553dba9a8f291be\boinc_d553dba9a8f291be.webm"
videocapres=1024x768
videocaprate=512
videocapfps=25
videocapopts=
description="LwTKDm0duM9n9Rq4apOajLDm4fhM0noT9bVooX4SDmOGyLDmFvGJTm_0"
GuestMemoryBalloon=0

2026-03-18 09:30:52 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --nic1 nat --nictype1 "virtio" --cableconnected1 off --natdnsproxy1 on 
Exit Code: 0
Output:

2026-03-18 09:30:53 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --cableconnected1 on 
Exit Code: 0
Output:

2026-03-18 09:30:53 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --usb off 
Exit Code: 0
Output:

2026-03-18 09:30:53 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --uart1 off --uart2 off 
Exit Code: 0
Output:

2026-03-18 09:30:53 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2026-03-18 09:30:54 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --audio none 
Exit Code: 0
Output:

2026-03-18 09:30:54 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --clipboard disabled 
Exit Code: 0
Output:

2026-03-18 09:30:54 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --draganddrop disabled 
Exit Code: 0
Output:

2026-03-18 09:30:55 (32324): 
Command: VBoxManage -q storagectl "boinc_d553dba9a8f291be" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-03-18 09:30:55 (32324): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.03_image.vdi" 
Exit Code: 0
Output:
UUID:           3e56213b-898f-4e83-899f-8eb541d45260
Parent UUID:    base
State:          created
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\ATLAS_vbox_3.03_image.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   4204 MBytes
Encryption:     disabled

2026-03-18 09:30:55 (32324): 
Command: VBoxManage -q storageattach "boinc_d553dba9a8f291be" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/ATLAS_vbox_3.03_image.vdi" 
Exit Code: 0
Output:

2026-03-18 09:30:55 (32324): 
Command: VBoxManage -q storageattach "boinc_d553dba9a8f291be" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2026-03-18 09:30:56 (32324): 
Command: VBoxManage -q bandwidthctl "boinc_d553dba9a8f291be" add "boinc_d553dba9a8f291be_net" --type network --limit 1024G 
Exit Code: 0
Output:

2026-03-18 09:30:56 (32324): 
Command: VBoxManage -q modifyvm "boinc_d553dba9a8f291be" --natpf1 ",tcp,127.0.0.1,55861,,80" 
Exit Code: 0
Output:

2026-03-18 09:30:56 (32324): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2026-03-18 09:30:56 (32324): 
Command: VBoxManage -q sharedfolder add "boinc_d553dba9a8f291be" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\8/shared"
Exit Code: 0
Output:

2026-03-18 09:30:57 (32324): 
Command: VBoxManage -q startvm "boinc_d553dba9a8f291be" --type headless
Exit Code: -1073741819
Output:
Waiting for VM "boinc_d553dba9a8f291be" to power on...
VBoxManage.exe: error: The virtual machine 'boinc_d553dba9a8f291be' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine

2026-03-18 09:30:57 (32324): 
Command: VBoxManage -q snapshot "boinc_d553dba9a8f291be" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2026-03-18 09:30:58 (32324): 
Command: VBoxManage -q bandwidthctl "boinc_d553dba9a8f291be" remove "boinc_d553dba9a8f291be_net" 
Exit Code: 0
Output:

2026-03-18 09:30:58 (32324): 
Command: VBoxManage -q unregistervm "boinc_d553dba9a8f291be" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-03-18 09:31:08 (32324): called boinc_finish(-1073741819)

</stderr_txt>
]]>

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