Stderr output

<core_client_version>7.14.2</core_client_version>
<![CDATA[
<message>
(unknown error) - exit code -1073741819 (0xc0000005)</message>
<stderr_txt>
2026-02-22 20:11:05 (31600): vboxwrapper version 26210
2026-02-22 20:11:05 (31600): BOINC client version: 7.14.2
2026-02-22 20:11:06 (31600): Detected: VirtualBox VboxManage Interface (Version: 5.2.12)
2026-02-22 20:11:06 (31600): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds)
2026-02-22 20:11:06 (31600): Successfully copied 'init_data.xml' to the shared directory.
2026-02-22 20:11:06 (31600): Successfully copied 'input' to the shared directory.
2026-02-22 20:11:07 (31600): Create VM. (boinc_511019a77015422c, slot#30)
2026-02-22 20:11:07 (31600): Setting Memory Size for VM. (1024MB)
2026-02-22 20:11:07 (31600): Setting CPU Count for VM. (1)
2026-02-22 20:11:08 (31600): Setting Chipset Options for VM.
2026-02-22 20:11:08 (31600): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-02-22 20:11:08 (31600): Setting Boot Options for VM.
2026-02-22 20:11:09 (31600): Setting Network Configuration for NAT. (Driver: virtio)
2026-02-22 20:11:09 (31600): Enabling VM Network Access.
2026-02-22 20:11:09 (31600): Disabling USB Support for VM.
2026-02-22 20:11:09 (31600): Disabling COM Port Support for VM.
2026-02-22 20:11:10 (31600): Disabling LPT Port Support for VM.
2026-02-22 20:11:10 (31600): Disabling Audio Support for VM.
2026-02-22 20:11:10 (31600): Disabling Clipboard Support for VM.
2026-02-22 20:11:10 (31600): Disabling Drag and Drop Support for VM.
2026-02-22 20:11:11 (31600): Adding storage controller(s) to VM.
2026-02-22 20:11:11 (31600): Adding virtual disk drive to VM. (Theory_2025_08_13_prod.vdi)
2026-02-22 20:11:15 (31600): Attempts: 4
2026-02-22 20:11:15 (31600): Adding VirtualBox Guest Additions to VM.
2026-02-22 20:11:16 (31600): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-02-22 20:11:16 (31600): forwarding host port 52988 to guest port 80
2026-02-22 20:11:16 (31600): Enabling remote desktop for VM.
2026-02-22 20:11:16 (31600): Required extension pack not installed, remote desktop not enabled.
2026-02-22 20:11:16 (31600): Enabling shared directory for VM.
2026-02-22 20:11:17 (31600): Starting VM using VBoxManage interface. (boinc_511019a77015422c, slot#30)
2026-02-22 20:11:17 (31600): Error in start VM for VM: -1073741819
Command:
VBoxManage -q startvm "boinc_511019a77015422c" --type headless
Output:
Waiting for VM "boinc_511019a77015422c" to power on...
VBoxManage.exe: error: The virtual machine 'boinc_511019a77015422c' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine

2026-02-22 20:11:17 (31600): VM failed to start.
2026-02-22 20:11:17 (31600): Could not start 
2026-02-22 20:11:17 (31600): ERROR: VM failed to start
2026-02-22 20:11:17 (31600): Powering off VM.
2026-02-22 20:11:17 (31600): Deregistering VM. (boinc_511019a77015422c, slot#30)
2026-02-22 20:11:17 (31600): Removing network bandwidth throttle group from VM.
2026-02-22 20:11:20 (31600): Attempts: 2
2026-02-22 20:11:20 (31600): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:13.866315          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
00:00:13.870072          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
00:00:13.945636          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
00:00:13.946751          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
00:00:13.946751          Saving settings file "C:\ProgramData\BOINC\slots\32\boinc_82612eba8b6a27c6\boinc_82612eba8b6a27c6.vbox" with version "1.16-windows"
00:00:14.214033          Saving settings file "C:\ProgramData\BOINC\slots\32\boinc_82612eba8b6a27c6\boinc_82612eba8b6a27c6.vbox" with version "1.16-windows"
00:00:14.364743          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:14.369000 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\15\boinc_01ee5e25b5b9fcbb\boinc_01ee5e25b5b9fcbb.vbox" with version "1.16-windows"
00:00:14.377333 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_e198ad9ab71a0cd2' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:14.377333 Watcher  Reaper: Pid 11920 (2e90) exited normally: -1073741819 (0xc0000005)
00:00:14.427659          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
00:00:14.475749          Saving settings file "C:\ProgramData\BOINC\slots\35\boinc_e198ad9ab71a0cd2\boinc_e198ad9ab71a0cd2.vbox" with version "1.16-windows"
00:00:14.476750          Saving settings file "C:\ProgramData\BOINC\slots\32\boinc_82612eba8b6a27c6\boinc_82612eba8b6a27c6.vbox" with version "1.16-windows"
00:00:14.730591          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:14.736472 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\15\boinc_01ee5e25b5b9fcbb\boinc_01ee5e25b5b9fcbb.vbox" with version "1.16-windows"
00:00:15.006438          Saving settings file "C:\ProgramData\BOINC\slots\32\boinc_82612eba8b6a27c6\boinc_82612eba8b6a27c6.vbox" with version "1.16-windows"
00:00:15.271503          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
00:00:15.271503          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
00:00:15.276510          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
00:00:15.416662 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_408d28a248184944' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:15.416662 Watcher  Reaper: Pid 23232 (5ac0) exited normally: -1073741819 (0xc0000005)
00:00:15.466124          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
00:00:15.514469          Saving settings file "C:\ProgramData\BOINC\slots\27\boinc_408d28a248184944\boinc_408d28a248184944.vbox" with version "1.16-windows"
00:00:15.768498          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:15.772417 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\15\boinc_01ee5e25b5b9fcbb\boinc_01ee5e25b5b9fcbb.vbox" with version "1.16-windows"
00:00:16.104370          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:16.108467 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\15\boinc_01ee5e25b5b9fcbb\boinc_01ee5e25b5b9fcbb.vbox" with version "1.16-windows"
00:00:16.645397 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_bc1d1b7736b2598a' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:16.646788 Watcher  Reaper: Pid 548 (224) exited normally: -1073741819 (0xc0000005)
00:00:16.695106          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
00:00:16.750270          Saving settings file "C:\ProgramData\BOINC\slots\34\boinc_bc1d1b7736b2598a\boinc_bc1d1b7736b2598a.vbox" with version "1.16-windows"
00:00:17.002325          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:17.004817 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\15\boinc_01ee5e25b5b9fcbb\boinc_01ee5e25b5b9fcbb.vbox" with version "1.16-windows"
00:00:17.482593 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_82612eba8b6a27c6' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:17.483594 Watcher  Reaper: Pid 37356 (91ec) exited normally: -1073741819 (0xc0000005)
00:00:17.530556          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
00:00:17.572937          Saving settings file "C:\ProgramData\BOINC\slots\32\boinc_82612eba8b6a27c6\boinc_82612eba8b6a27c6.vbox" with version "1.16-windows"
00:00:17.683141          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:17.686645 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\15\boinc_01ee5e25b5b9fcbb\boinc_01ee5e25b5b9fcbb.vbox" with version "1.16-windows"
00:00:17.959439          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:17.965168          Saving settings file "C:\ProgramData\BOINC\slots\28\boinc_4b222d59dcca8055\boinc_4b222d59dcca8055.vbox" with version "1.16-windows"
00:00:17.967170 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\28\boinc_4b222d59dcca8055\boinc_4b222d59dcca8055.vbox" with version "1.16-windows"
00:00:18.552184          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:18.556750 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\28\boinc_4b222d59dcca8055\boinc_4b222d59dcca8055.vbox" with version "1.16-windows"
00:00:20.442591          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

 named 'boinc_511019a77015422c'
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

2026-02-22 20:11:07 (31600): 
Command: VBoxManage -q createvm --name "boinc_511019a77015422c" --basefolder "C:\ProgramData\BOINC\slots\30" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_511019a77015422c' is created and registered.
UUID: 39861cea-867a-462b-95d8-504a55576136
Settings file: 'C:\ProgramData\BOINC\slots\30\boinc_511019a77015422c\boinc_511019a77015422c.vbox'

2026-02-22 20:11:07 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --description "Theory_2922-4804901-679_0" 
Exit Code: 0
Output:

2026-02-22 20:11:07 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --memory 1024 
Exit Code: 0
Output:

2026-02-22 20:11:08 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --cpus 1 
Exit Code: 0
Output:

2026-02-22 20:11:08 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --acpi on --ioapic on --rtcuseutc off 
Exit Code: 0
Output:

2026-02-22 20:11:08 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2026-02-22 20:11:08 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2026-02-22 20:11:09 (31600): 
Command: VBoxManage -q showvminfo "boinc_511019a77015422c" --machinereadable 
Exit Code: 0
Output:
name="boinc_511019a77015422c"
groups="/"
ostype="Linux 2.6 / 3.x / 4.x (64-bit)"
UUID="39861cea-867a-462b-95d8-504a55576136"
CfgFile="C:\\ProgramData\\BOINC\\slots\\30\\boinc_511019a77015422c\\boinc_511019a77015422c.vbox"
SnapFldr="C:\\ProgramData\\BOINC\\slots\\30\\boinc_511019a77015422c\\Snapshots"
LogFldr="C:\\ProgramData\\BOINC\\slots\\30\\boinc_511019a77015422c\\Logs"
hardwareuuid="39861cea-867a-462b-95d8-504a55576136"
memory=1024
pagefusion="off"
vram=16
cpuexecutioncap=100
hpet="off"
chipset="piix3"
firmware="BIOS"
cpus=1
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="2026-02-22T19:11:07.075000000"
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="0800273CF20C"
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\30\boinc_511019a77015422c\boinc_511019a77015422c.webm"
videocapres=1024x768
videocaprate=512
videocapfps=25
videocapopts=
description="Theory_2922-4804901-679_0"
GuestMemoryBalloon=0

2026-02-22 20:11:09 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --nic1 nat --nictype1 "virtio" --cableconnected1 off --natdnsproxy1 on 
Exit Code: 0
Output:

2026-02-22 20:11:09 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --cableconnected1 on 
Exit Code: 0
Output:

2026-02-22 20:11:09 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --usb off 
Exit Code: 0
Output:

2026-02-22 20:11:10 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --uart1 off --uart2 off 
Exit Code: 0
Output:

2026-02-22 20:11:10 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2026-02-22 20:11:10 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --audio none 
Exit Code: 0
Output:

2026-02-22 20:11:10 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --clipboard disabled 
Exit Code: 0
Output:

2026-02-22 20:11:11 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --draganddrop disabled 
Exit Code: 0
Output:

2026-02-22 20:11:11 (31600): 
Command: VBoxManage -q storagectl "boinc_511019a77015422c" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-02-22 20:11:15 (31600): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\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:       C:\ProgramData\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
Child UUIDs:    c4d7d23e-cf5f-492a-99a7-af45b8965e30
                7c07e693-b20e-4fc6-b40a-9e56f89135ce
                023fcbd8-72d4-46e9-b137-863331294b04
                93f1d96e-af81-444f-adf6-974a6904742e
                a185261c-a45a-4f67-a8d3-8ff934ef72e9

2026-02-22 20:11:15 (31600): 
Command: VBoxManage -q storageattach "boinc_511019a77015422c" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_08_13_prod.vdi" 
Exit Code: 0
Output:

2026-02-22 20:11:16 (31600): 
Command: VBoxManage -q storageattach "boinc_511019a77015422c" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2026-02-22 20:11:16 (31600): 
Command: VBoxManage -q bandwidthctl "boinc_511019a77015422c" add "boinc_511019a77015422c_net" --type network --limit 1024G 
Exit Code: 0
Output:

2026-02-22 20:11:16 (31600): 
Command: VBoxManage -q modifyvm "boinc_511019a77015422c" --natpf1 ",tcp,127.0.0.1,52988,,80" 
Exit Code: 0
Output:

2026-02-22 20:11:16 (31600): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2026-02-22 20:11:17 (31600): 
Command: VBoxManage -q sharedfolder add "boinc_511019a77015422c" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\30/shared"
Exit Code: 0
Output:

2026-02-22 20:11:17 (31600): 
Command: VBoxManage -q startvm "boinc_511019a77015422c" --type headless
Exit Code: -1073741819
Output:
Waiting for VM "boinc_511019a77015422c" to power on...
VBoxManage.exe: error: The virtual machine 'boinc_511019a77015422c' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine

2026-02-22 20:11:17 (31600): 
Command: VBoxManage -q snapshot "boinc_511019a77015422c" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2026-02-22 20:11:17 (31600): 
Command: VBoxManage -q bandwidthctl "boinc_511019a77015422c" remove "boinc_511019a77015422c_net" 
Exit Code: 0
Output:

2026-02-22 20:11:20 (31600): 
Command: VBoxManage -q unregistervm "boinc_511019a77015422c" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-02-22 20:11:30 (31600): called boinc_finish(-1073741819)

</stderr_txt>
]]>

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