Gnome doesn't start automatically

[automatix1311]

Hello!

For some days, Gnome doesn't start automatically anymore. Instead of this only the command line is loaded.

I can start Gnome manually with

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$ startx

Then I get this message:

VBOXADDITIONS_4.3.10_93012

This medium contains software intended to be automatically started. Would you like to run it?
The software will run directly from the medium "VBOXADDITIONS_4.3.10_93012". You should never run software that you don't trust.
If in doubt, press Cancel.

VBOXADDITIONS.png (27.27 KiB) Viewed 3012 times

After clicking on "Run" an error message pops up:

Error autorunning software
Cannot find the autorun program

Error.png (9.49 KiB) Viewed 3012 times

I already updated the VM and the Guest Additions and edited the /etc/fstab, so that the VBOXADDITIONS_4.3.10_93012 ISO can be mounted:

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/dev/sr0        /media/cdrom0   udf,iso9660 user,exec     0       0

or

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/dev/sr0        /media/cdrom0   udf,iso9660 user,auto     0       0

instead of

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/dev/sr0        /media/cdrom0   udf,iso9660 user,noauto     0       0

... but nothing helps.

What can be the cause of the problem and how to fix it?

Thx

Host: Windows 7
Guest: Debian 7.1 + Gnome 3
VB: 4.3.10

[loukingjr]

I can't tell you why Gnome stopped loading other than an update that went wrong or a corrupted install. Mine still works. The reason you are getting the "would you like to run it" message is because the guest additions .iso is still attached to your guest. you shouldn't have had to modify anything to mount the CD since it was mounted already. With the guest shutdown, go to the storage setting for your Debian guest in VirtualBox and remove the VirtualBox Guest Additions .iso.

[automatix1311]

It works again! But I really do not have an idea, why... The only thing I did was, that I add startx to the list of the Startup Applications.

Add-Startup-Program.png (55.85 KiB) Viewed 2979 times

I thougth, that would be the applications, starting with the system. I didn't know, that this is the list of programs, that starting with Gnome. Logically, after it I could not start Gnome at all: it was still not starting automatically and after manual starting with startx, it came in a infinite loop... OK, then I deleted startx from the startup apps list:

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$ rm ~/.config/autostart/startx.desktop

After a restart Gnome was loaded automatically...