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 03:16:42 (3388): vboxwrapper version 26210
2026-02-22 03:16:42 (3388): BOINC client version: 7.14.2
2026-02-22 03:16:43 (3388): Detected: VirtualBox VboxManage Interface (Version: 5.2.12)
2026-02-22 03:16:43 (3388): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds)
2026-02-22 03:16:43 (3388): Successfully copied 'init_data.xml' to the shared directory.
2026-02-22 03:16:43 (3388): Successfully copied 'input' to the shared directory.
2026-02-22 03:16:43 (3388): Create VM. (boinc_1e954794cfac82a4, slot#24)
2026-02-22 03:16:44 (3388): Setting Memory Size for VM. (1024MB)
2026-02-22 03:16:44 (3388): Setting CPU Count for VM. (1)
2026-02-22 03:16:44 (3388): Setting Chipset Options for VM.
2026-02-22 03:16:45 (3388): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-02-22 03:16:45 (3388): Setting Boot Options for VM.
2026-02-22 03:16:45 (3388): Setting Network Configuration for NAT. (Driver: virtio)
2026-02-22 03:16:46 (3388): Enabling VM Network Access.
2026-02-22 03:16:46 (3388): Disabling USB Support for VM.
2026-02-22 03:16:46 (3388): Disabling COM Port Support for VM.
2026-02-22 03:16:46 (3388): Disabling LPT Port Support for VM.
2026-02-22 03:16:47 (3388): Disabling Audio Support for VM.
2026-02-22 03:16:47 (3388): Disabling Clipboard Support for VM.
2026-02-22 03:16:47 (3388): Disabling Drag and Drop Support for VM.
2026-02-22 03:16:47 (3388): Adding storage controller(s) to VM.
2026-02-22 03:16:48 (3388): Adding virtual disk drive to VM. (Theory_2025_08_13_prod.vdi)
2026-02-22 03:16:48 (3388): Adding VirtualBox Guest Additions to VM.
2026-02-22 03:16:49 (3388): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-02-22 03:16:49 (3388): forwarding host port 53161 to guest port 80
2026-02-22 03:16:49 (3388): Enabling remote desktop for VM.
2026-02-22 03:16:49 (3388): Required extension pack not installed, remote desktop not enabled.
2026-02-22 03:16:49 (3388): Enabling shared directory for VM.
2026-02-22 03:16:50 (3388): Starting VM using VBoxManage interface. (boinc_1e954794cfac82a4, slot#24)
2026-02-22 03:16:52 (3388): Error in start VM for VM: -1073741819
Command:
VBoxManage -q startvm "boinc_1e954794cfac82a4" --type headless
Output:
Waiting for VM "boinc_1e954794cfac82a4" to power on...
VBoxManage.exe: error: The virtual machine 'boinc_1e954794cfac82a4' 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 03:16:52 (3388): VM failed to start.
2026-02-22 03:16:52 (3388): Could not start 
2026-02-22 03:16:52 (3388): ERROR: VM failed to start
2026-02-22 03:16:52 (3388): Powering off VM.
2026-02-22 03:16:52 (3388): Deregistering VM. (boinc_1e954794cfac82a4, slot#24)
2026-02-22 03:16:52 (3388): Removing network bandwidth throttle group from VM.
2026-02-22 03:16:52 (3388): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:35.028470          Saving settings file "C:\ProgramData\BOINC\slots\35\boinc_694e4d2df517e3ec\boinc_694e4d2df517e3ec.vbox" with version "1.16-windows"
00:00:35.285583          Saving settings file "C:\ProgramData\BOINC\slots\35\boinc_694e4d2df517e3ec\boinc_694e4d2df517e3ec.vbox" with version "1.16-windows"
00:00:35.552853          Saving settings file "C:\ProgramData\BOINC\slots\35\boinc_694e4d2df517e3ec\boinc_694e4d2df517e3ec.vbox" with version "1.16-windows"
00:00:35.764701 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_cd47711144b0bddc' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:35.765701 Watcher  Reaper: Pid 6988 (1b4c) exited normally: -1073741819 (0xc0000005)
00:00:35.829033          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
00:00:35.874192          Saving settings file "C:\ProgramData\BOINC\slots\43\boinc_cd47711144b0bddc\boinc_cd47711144b0bddc.vbox" with version "1.16-windows"
00:00:36.103546          Saving settings file "C:\ProgramData\BOINC\slots\35\boinc_694e4d2df517e3ec\boinc_694e4d2df517e3ec.vbox" with version "1.16-windows"
00:00:36.148557          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:36.152557          Saving settings file "C:\ProgramData\BOINC\slots\37\boinc_861f3c9aa0481b09\boinc_861f3c9aa0481b09.vbox" with version "1.16-windows"
00:00:36.155559 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\37\boinc_861f3c9aa0481b09\boinc_861f3c9aa0481b09.vbox" with version "1.16-windows"
00:00:36.415941          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_ec8c2f40d7aa3788'}, preserve=false aResultDetail=0
00:00:36.416941          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
00:00:36.416941          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
00:00:36.422942          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
00:00:36.423942          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_f1113dd624509047'}, preserve=false aResultDetail=0
00:00:36.423942          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_f411597b69233937'}, preserve=false aResultDetail=0
00:00:36.439946 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={85cd948e-a71f-4289-281e-0ca7ad48cd89} aComponent={MachineWrap} aText={The virtual machine 'boinc_861f3c9aa0481b09' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)}, preserve=false aResultDetail=0
00:00:36.439946 Watcher  Reaper: Pid 17116 (42dc) exited normally: -1073741819 (0xc0000005)
00:00:36.509678          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
00:00:36.567192          Saving settings file "C:\ProgramData\BOINC\slots\37\boinc_861f3c9aa0481b09\boinc_861f3c9aa0481b09.vbox" with version "1.16-windows"
00:00:36.702585          Saving settings file "C:\ProgramData\BOINC\slots\17\boinc_ec8c2f40d7aa3788\boinc_ec8c2f40d7aa3788.vbox" with version "1.16-windows"
00:00:36.705706          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:36.707706          Saving settings file "C:\ProgramData\BOINC\slots\44\boinc_f1113dd624509047\boinc_f1113dd624509047.vbox" with version "1.16-windows"
00:00:36.708706          Saving settings file "C:\ProgramData\BOINC\slots\45\boinc_f411597b69233937\boinc_f411597b69233937.vbox" with version "1.16-windows"
00:00:36.709706          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:36.712707          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:36.837413          Saving settings file "C:\Users\alexh\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:36.840414          Saving settings file "C:\ProgramData\BOINC\slots\35\boinc_694e4d2df517e3ec\boinc_694e4d2df517e3ec.vbox" with version "1.16-windows"
00:00:36.843414 DeleteVM Saving settings file "C:\ProgramData\BOINC\slots\35\boinc_694e4d2df517e3ec\boinc_694e4d2df517e3ec.vbox" with version "1.16-windows"
00:00:36.967842          Saving settings file "C:\ProgramData\BOINC\slots\17\boinc_ec8c2f40d7aa3788\boinc_ec8c2f40d7aa3788.vbox" with version "1.16-windows"
00:00:36.986350          Saving settings file "C:\ProgramData\BOINC\slots\44\boinc_f1113dd624509047\boinc_f1113dd624509047.vbox" with version "1.16-windows"
00:00:36.992351          Saving settings file "C:\ProgramData\BOINC\slots\45\boinc_f411597b69233937\boinc_f411597b69233937.vbox" with version "1.16-windows"
00:00:37.235110          Saving settings file "C:\ProgramData\BOINC\slots\17\boinc_ec8c2f40d7aa3788\boinc_ec8c2f40d7aa3788.vbox" with version "1.16-windows"
00:00:37.258328          Saving settings file "C:\ProgramData\BOINC\slots\44\boinc_f1113dd624509047\boinc_f1113dd624509047.vbox" with version "1.16-windows"
00:00:37.258328          Saving settings file "C:\ProgramData\BOINC\slots\45\boinc_f411597b69233937\boinc_f411597b69233937.vbox" with version "1.16-windows"
00:00:37.504682          Saving settings file "C:\ProgramData\BOINC\slots\17\boinc_ec8c2f40d7aa3788\boinc_ec8c2f40d7aa3788.vbox" with version "1.16-windows"
00:00:37.522025          Saving settings file "C:\ProgramData\BOINC\slots\45\boinc_f411597b69233937\boinc_f411597b69233937.vbox" with version "1.16-windows"
00:00:37.524028          Saving settings file "C:\ProgramData\BOINC\slots\44\boinc_f1113dd624509047\boinc_f1113dd624509047.vbox" with version "1.16-windows"
00:00:37.770480          Saving settings file "C:\ProgramData\BOINC\slots\17\boinc_ec8c2f40d7aa3788\boinc_ec8c2f40d7aa3788.vbox" with version "1.16-windows"
00:00:37.783484          Saving settings file "C:\ProgramData\BOINC\slots\44\boinc_f1113dd624509047\boinc_f1113dd624509047.vbox" with version "1.16-windows"
00:00:37.783484          Saving settings file "C:\ProgramData\BOINC\slots\45\boinc_f411597b69233937\boinc_f411597b69233937.vbox" with version "1.16-windows"
00:00:38.030766          Saving settings file "C:\ProgramData\BOINC\slots\17\boinc_ec8c2f40d7aa3788\boinc_ec8c2f40d7aa3788.vbox" with version "1.16-windows"
00:00:38.046770          Saving settings file "C:\ProgramData\BOINC\slots\44\boinc_f1113dd624509047\boinc_f1113dd624509047.vbox" with version "1.16-windows"
00:00:38.047770          Saving settings file "C:\ProgramData\BOINC\slots\45\boinc_f411597b69233937\boinc_f411597b69233937.vbox" with version "1.16-windows"
00:00:38.294367          Saving settings file "C:\ProgramData\BOINC\slots\17\boinc_ec8c2f40d7aa3788\boinc_ec8c2f40d7aa3788.vbox" with version "1.16-windows"

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

10
Operating system version: 10.0.26200

2026-02-22 03:16:43 (3388): 
Command: VBoxManage -q showvminfo "boinc_1e954794cfac82a4" --machinereadable 
Exit Code: -2135228415
Output:
VBoxManage.exe: error: Could not find a registered machine named 'boinc_1e954794cfac82a4'
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 03:16:43 (3388): 
Command: VBoxManage -q createvm --name "boinc_1e954794cfac82a4" --basefolder "C:\ProgramData\BOINC\slots\24" --ostype "Linux26_64" --register
Exit Code: 0
Output:
Virtual machine 'boinc_1e954794cfac82a4' is created and registered.
UUID: 898a7fb4-04ac-4a90-90ba-188b02f32a20
Settings file: 'C:\ProgramData\BOINC\slots\24\boinc_1e954794cfac82a4\boinc_1e954794cfac82a4.vbox'

2026-02-22 03:16:44 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --description "Theory_2922-4822644-678_0" 
Exit Code: 0
Output:

2026-02-22 03:16:44 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --memory 1024 
Exit Code: 0
Output:

2026-02-22 03:16:44 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --cpus 1 
Exit Code: 0
Output:

2026-02-22 03:16:45 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --acpi on --ioapic on --rtcuseutc off 
Exit Code: 0
Output:

2026-02-22 03:16:45 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2026-02-22 03:16:45 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2026-02-22 03:16:45 (3388): 
Command: VBoxManage -q showvminfo "boinc_1e954794cfac82a4" --machinereadable 
Exit Code: 0
Output:
name="boinc_1e954794cfac82a4"
groups="/"
ostype="Linux 2.6 / 3.x / 4.x (64-bit)"
UUID="898a7fb4-04ac-4a90-90ba-188b02f32a20"
CfgFile="C:\\ProgramData\\BOINC\\slots\\24\\boinc_1e954794cfac82a4\\boinc_1e954794cfac82a4.vbox"
SnapFldr="C:\\ProgramData\\BOINC\\slots\\24\\boinc_1e954794cfac82a4\\Snapshots"
LogFldr="C:\\ProgramData\\BOINC\\slots\\24\\boinc_1e954794cfac82a4\\Logs"
hardwareuuid="898a7fb4-04ac-4a90-90ba-188b02f32a20"
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="2026-02-22T02:16:43.751000000"
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="080027F251EF"
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\24\boinc_1e954794cfac82a4\boinc_1e954794cfac82a4.webm"
videocapres=1024x768
videocaprate=512
videocapfps=25
videocapopts=
description="Theory_2922-4822644-678_0"
GuestMemoryBalloon=0

2026-02-22 03:16:46 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --nic1 nat --nictype1 "virtio" --cableconnected1 off --natdnsproxy1 on 
Exit Code: 0
Output:

2026-02-22 03:16:46 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --cableconnected1 on 
Exit Code: 0
Output:

2026-02-22 03:16:46 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --usb off 
Exit Code: 0
Output:

2026-02-22 03:16:46 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --uart1 off --uart2 off 
Exit Code: 0
Output:

2026-02-22 03:16:47 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2026-02-22 03:16:47 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --audio none 
Exit Code: 0
Output:

2026-02-22 03:16:47 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --clipboard disabled 
Exit Code: 0
Output:

2026-02-22 03:16:47 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --draganddrop disabled 
Exit Code: 0
Output:

2026-02-22 03:16:48 (3388): 
Command: VBoxManage -q storagectl "boinc_1e954794cfac82a4" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2026-02-22 03:16:48 (3388): 
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:    9d3dbe12-300e-40ff-9490-0ddde0cc2d7f

2026-02-22 03:16:48 (3388): 
Command: VBoxManage -q storageattach "boinc_1e954794cfac82a4" --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 03:16:49 (3388): 
Command: VBoxManage -q storageattach "boinc_1e954794cfac82a4" --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 03:16:49 (3388): 
Command: VBoxManage -q bandwidthctl "boinc_1e954794cfac82a4" add "boinc_1e954794cfac82a4_net" --type network --limit 1024G 
Exit Code: 0
Output:

2026-02-22 03:16:49 (3388): 
Command: VBoxManage -q modifyvm "boinc_1e954794cfac82a4" --natpf1 ",tcp,127.0.0.1,53161,,80" 
Exit Code: 0
Output:

2026-02-22 03:16:49 (3388): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2026-02-22 03:16:50 (3388): 
Command: VBoxManage -q sharedfolder add "boinc_1e954794cfac82a4" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\24/shared"
Exit Code: 0
Output:

2026-02-22 03:16:52 (3388): 
Command: VBoxManage -q startvm "boinc_1e954794cfac82a4" --type headless
Exit Code: -1073741819
Output:
Waiting for VM "boinc_1e954794cfac82a4" to power on...
VBoxManage.exe: error: The virtual machine 'boinc_1e954794cfac82a4' 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 03:16:52 (3388): 
Command: VBoxManage -q snapshot "boinc_1e954794cfac82a4" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2026-02-22 03:16:52 (3388): 
Command: VBoxManage -q bandwidthctl "boinc_1e954794cfac82a4" remove "boinc_1e954794cfac82a4_net" 
Exit Code: 0
Output:

2026-02-22 03:16:52 (3388): 
Command: VBoxManage -q unregistervm "boinc_1e954794cfac82a4" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2026-02-22 03:17:03 (3388): called boinc_finish(-1073741819)

</stderr_txt>
]]>

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