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I tried to start google chrome in terminal several times, and I keep receiving the following message:

... :ERROR:process_singleton_linux.cc(309)] The profile appears to be in use by another Google Chrome process (8629) on another computer ("previous name of the computer").  Chrome has locked the profile so that it doesn't get corrupted.  If you are sure no other processes are using this profile, you can unlock the profile and relaunch Chrome.
... :ERROR:simple_message_box_views.cc(208)] Unable to show a dialog outside the UI thread message loop: Google Chrome - The profile appears to be in use by another Google Chrome process (8629) on another computer ("previous name of the computer").  Chrome has locked the profile so that it doesn't get corrupted.  If you are sure no other processes are using this profile, you can unlock the profile and relaunch Chrome.

Any suggestions?

Thanks in advance.

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2 Answers 2

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This looks like Chrome bug #367048 - Cannot start chrome after changing hostname, try:

rm -rf ~/.config/google-chrome/Singleton*
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  • This helped me out after the same error, all after a change of the hostname of the workstation which this was happening on.
    – Dmitri DB
    Sep 15, 2014 at 19:53
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    On Raspbian: rm -rf ~/.config/chromium/Singleton*
    – emc
    Feb 3, 2017 at 20:00
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    Using Ubuntu with temp/non-user profile: rm -rf /tmp/.config/chromium/Singleton*
    – Wimateeka
    Apr 3, 2020 at 17:40
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If you are using newer Ubuntu like 20.04, then you must delete files in different path because you probably using snap packages:

rm -rf ~/snap/chromium/common/chromium/Singleton*

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