virtualbox.org

Hi,
I am currently unable to launch my VirtualBox program. This started to happen after trying to upgrade my Windows 7 Virtual Machine to Windows 10. Oracle crashed during the process, and since then, I am unable to launch the application. I tried to repair/uninstall/reinstall the program, but nothing seems to work.

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The following error occurs everytime I try to launch :

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Failed to create the VirtualBoxClient COM object.
The application will now terminate.
Callee RC: REGDB_E_CLASSNOTREG (0x80040154)

My VBoxSVC says the following :

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VirtualBox COM Server 5.0.14 r105127 win.amd64 (Jan 19 2016 16:40:17) release log
00:00:00.004000 main     Log opened 2016-02-02T16:27:47.650679300Z
00:00:00.004000 main     Build Type: release
00:00:00.004000 main     OS Product: Windows 7
00:00:00.004000 main     OS Release: 6.1.7601
00:00:00.004000 main     OS Service Pack: 1
00:00:00.074004 main     DMI Product Name: OptiPlex 990
00:00:00.081004 main     DMI Product Version: 01
00:00:00.081004 main     Host RAM: 16265MB total, 11923MB available
00:00:00.081004 main     Executable: C:\Program Files\Oracle\VirtualBox\VBoxSVC.exe
00:00:00.081004 main     Process ID: 2508
00:00:00.081004 main     Package type: WINDOWS_64BITS_GENERIC
00:00:00.082004          Home directory: 'C:\Users\jonathan.gaudreau/.VirtualBox'
00:00:00.083004          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={0169423f-46b4-cde9-91af-1e9d5b6cd945} aComponent={VirtualBoxWrap} aText={Start tag expected, '<' not found.
00:00:00.083004          Location: 'C:\Users\jonathan.gaudreau/.VirtualBox\VirtualBox.xml', line 1 (0), column 1.
00:00:00.083004          F:\tinderbox\win-5.0\src\VBox\Main\src-server\VirtualBoxImpl.cpp[532] (long __cdecl VirtualBox::init(void))}, preserve=false aResultDetail=0

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I am willing to send SVC logs if needs be.

Did anyone got something similar and managed to fix the problem?

Thank you,
John

JohnGaudreau wrote:

...aComponent={VirtualBoxWrap} aText={Start tag expected, '<' not found.
...Location: 'C:\Users\jonathan.gaudreau/.VirtualBox\VirtualBox.xml', line 1 (0), column 1.

It looks that you might have a corrupt "VirtualBox.xml" file. Look if there is a "VirtualBox.xml-prev" and copy it to "VirtualBox.xml". It wouldn't hurt if you opened it with a text editor and made sure that it looked like a proper xml file...

Wow! Thanks for the help Socratis, that worked perfectly fine.

Cheers,
Jon

I was just reading the tea leaves logs

virtualbox.org

Cannot launch Oracle : REGDB_E_CLASSNOTREG (0x80040154)

Cannot launch Oracle : REGDB_E_CLASSNOTREG (0x80040154)

Re: Cannot launch Oracle : REGDB_E_CLASSNOTREG (0x80040154)

Re: Cannot launch Oracle : REGDB_E_CLASSNOTREG (0x80040154)

Re: Cannot launch Oracle : REGDB_E_CLASSNOTREG (0x80040154)