Virtualbox image read only after updating KDE

I am using opensuse 11.2 kde 4.4.2 . I had a working installation of sun virtualbox 3.1 with its virtual image on an ntfs partition before upgrading kde, then I upgraded from KDE 4.3 to 4.4 . now when i start sun virtulabox it gives an error stating that it cant access my hard disk image file due wrong permissions and that the image is read only. i cant create a new image on that partition due same problem but i can create one on my home partition.
any clues??

@linux-dckw:/windows/C>ls -l HarddiskImg.vdi 
-rw-r--r-- 1 root users 10737459712 2010-03-27 11:25 HarddiskImg.vdi

after doing chmod , nothing changes


@linux-dckw:/windows/C>sudo chmod -rwxr-xr-x  HarddiskImg.vdi 
@linux-dckw:/windows/C>ls -l HarddiskImg.vdi 
-rw-r--r-- 1 root users 10737459712 2010-03-27 11:25 HarddiskImg.vdi

or

@linux-dckw:/windows/C>sudo chmod ug+rw  HarddiskImg.vdi
@linux-dckw:/windows/C>ls -l HarddiskImg.vdi 
-rw-r--r-- 1 root users 10737459712 2010-03-27 11:25 HarddiskImg.vdi

A couple of clues:
Upgrading KDE4 has nothing to do with this.
I would never ever store Vbox images on an NTFS drive. You cannot change file/folder attributes on an NTFS filesystem.
Copy the image to a linux partition, configure Vbox to point to the appropriate place, check permissions and try again. Should work.

BTW, which Vbox version, from the repos, or Sun’s ?

virtual box is from sun , not from repos.
it was working fine before the update.no problems whatsoever
but it cant now , even if i log in to gnome.

Gnome/KDE do not make any difference. As stated, no way the problem is related to KDE or Gnome updates. I’ll have a look at the settings on my server tonight. Too occupied with a 7 year old painting eggs ;).

In the meantime, since you use Sun’s version: was a kernel-update part of your last update? I suggest that you reinstall VirtualBox, that would compile a new kernel module for you. Better do so, to blank this out.

yes kernel was updated last time and i recompiled virtualbox kernel.
i uninstalled and then reinstalled virtualbox , along with its kernel. but still problem persists.
is there a way to completely uninstall alongwith its settings, because i think it does not get completely uninstalled as settings are saved.
i disabled libdvdcss repository while using zypper dup, does it change anything?