Q: GuestAdditions stopped working

Discussions related to using VirtualBox on Windows hosts.
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Brilsmurf
Posts: 3
Joined: 9. Jun 2016, 13:58

Q: GuestAdditions stopped working

Post by Brilsmurf »

Hi,
I've been using a VirtualBox with CentOS 7 guest on an MS-Windows 10 host for over a year. Guest Additions with shared disks and mouse integration used to work fine. But now when I need it again it stopped working.
I upgraded to 5.1.22 this spring, and to the latest 5.1.26 just now, but that does not help.

In the VB, the VBOXADDITIONS_5.1.26_117224.iso is mounted.
The shared folders (from C:\) all get automatically mounted, as `mount` shows:
...
PRIVE on /media/sf_PRIVE type vboxsf (rw,nodev,relatime)
TEMP on /media/sf_TEMP type vboxsf (rw,nodev,relatime)
/dev/sr0 on /run/media/apeters/VBOXADDITIONS_5.1.26_117224 type iso9660 (ro,nosuid,nodev,relatime,uid=1000,gid=1000,iocharset=utf8,mode=0400,dmode=0500,uhelper=udisks2)
/home/apeters/ONTWIKKEL on /media/sf_ONTWIKKEL type vboxsf (rw,nodev,relatime)

However the mount points do not show any of the content of the directories on MS-Windows C:\ .

Mouse integration appears to work half. The icon from the drop-down menu "Input" of the VBox window is orange, not green. Copy/paste from the Right Mouse Button now appears to work (it did not anymore before my latest upgrades and restarts), but to move the mouse out of the VBox I need to use the right Ctrl button - I recall that used to be not necessary.

I do not get error messages.

Anyone have suggestions on what is wrong and how to fix it?
Tom
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