Your session only lasted less than 10 seconds.

[Thias]

Hey!

My mother has received this error message on her computer

Your session lasted only less than 10 seconds. If you have not logged out yourself, this may cause some installation problems or you may not have a disk space. Try signing in with one of the failsafe sessions to see if you can fix this issue. [] View Details (~ / .xsession-Error File)

She can not log in to the computer anymore. How to solve this smoothly easily.

I have no opportunity at the moment to help her fix this.

I have heard someone say that it should be solved by creating a new home directory?

But the questions are, how do you do this without writing many with commands in the terminal?

/Mathias

[JeremyB]

Use CTRL + ALT + F1
enter the username and password, then enter

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dpkg -l | grep virtualbox-guest

If there is output of virtualbox-guest-dkms and others do

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sudo apt-get purge virtualbox-guest-*

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sudo shutdown -r now

Then see if it works

[Thias]

Thanks for quick reply. But I do not use Virtualbox. It is a physical computer that this problem has occurred.
Do I wear the same way then?

[JeremyB]

Thanks for quick reply. But I do not use Virtualbox. It is a physical computer that this problem has occurred.
Do I wear the same way then?

Please check this anyhow. If the dpkg -l | grep virtualbox-guest-* has no output, you have a different issue than what I am thinking