upgrade to version 4.3.4 gone wrong

[David Clark]

I did a install of the upgrade over the prior version like I had done many times before with each release and
the install hung at 100% and didn't make any future progress but didn't complete.  I tried to uninstall and could
not find it in the program list to uninstall.  And I tried to reinstall and I could not get past the hang at 100%.  
When I run it it now giv es this message:

failed to create the virtualBox COM object

callee RC:REGDB_E_CLASSNOTREG (0x80040154)

Any idea how to do a manual uninstall of this version so I can do a clean working install?

[Geoff Nordli]

Post by David Clark
I did a install of the upgrade over the prior version like I had done
many times before with each release and
the install hung at 100% and didn't make any future progress but
didn't complete. I tried to uninstall and could
not find it in the program list to uninstall. And I tried to
reinstall and I could not get past the hang at 100%.
failed to create the virtualBox COM object
callee RC:REGDB_E_CLASSNOTREG (0x80040154)
Any idea how to do a manual uninstall of this version so I can do a clean working install?

Hi David.

What OS and vbox version are you running?

Geoff

[David Clark]

the host os is windows 7.  The virtual box version is 4.3.4 the latest.

Post by David Clark
I did a install of the upgrade over the prior version like I had done many times before with each release and

Post by David Clark
the install hung at 100% and didn't make any future progress but didn't complete.  I tried to uninstall and could
not find it in the program list to uninstall.  And I tried to reinstall and I could not get past the hang at 100%.  
failed to create the virtualBox COM object
callee RC:REGDB_E_CLASSNOTREG (0x80040154)
Any idea how to do a manual uninstall of this version so I can do a clean working install?

Hi David.
What OS and vbox version are you running?
Geoff
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[Gregory Nowak]

Post by David Clark
the host os is windows 7.  The virtual box version is 4.3.4 the latest.

It might help if we knew which version you are trying to upgrade
from. Perhaps this is also what Geoff had in mind. Also, did you
reboot the host before trying the upgrade again?

Greg