Chromium Browser Singleton Bug Caused by Power Failure

A power failure resulted in the following bug of Chromium Browser on Ubuntu -

[12489:12489:0811/114557:ERROR:process_singleton_posix.cc(264)] Failed to create /home/user01/.config/chromium/SingletonLock: File exists [12489:12489:0811/114557:ERROR:chrome_browser_main.cc(1155)] Failed to create a ProcessSingleton for your profile directory. This means that running multiple instances would start multiple browser processes rather than opening a new window in the existing process. Aborting now to avoid profile corruption.

3 Answers

Have you tried deleting the file?

You could also run chrome with --user-data-dir=/home/user01/.config/some-other-dir to run with a fresh profile in a new location.

I had this problem today and found a fix. In my case the problem was that my root partition was out of space. I found 100 GB of files to delete and chromium worked again instantly.

1

Just delete file '/home/user01/.config/chromium/SingletonLock', chrome will works fine.

1

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Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.

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