VirtualBox start error on macOS 10.12.4

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Failed to acquire the VirtualBox COM object.

The application will now terminate.

Callee RC: NS_ERROR_ABORT (0x80004004)

I tried from 5.1.10 to 5.1.22, but got the same error above.

virtualbox
macos-sierra
asked on Stack Overflow May 2, 2017 by shuhui geng

3 Answers

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resolved by uninstall it first and install again. NOT install it by overwite.

answered on Stack Overflow May 4, 2017 by shuhui geng
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Solved!

Ran this as administrator:

cd /tmp
sudo rm -rf .vbox-<your user>-ipc
answered on Stack Overflow Jul 24, 2017 by VictorEspina
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What worked for me was to run the uninstaller tool provided with an earlier version (4.3.14 or something) of VirtualBox.

answered on Stack Overflow Oct 9, 2018 by peterhil

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