I have a problem with my Windows 7 ultimate.
When I put a dvd-r disc formatted as udf to my dvd drive and go to My Computer, I can see that 3GB of data are on DVD, but if I clic on it it is empty.
In Disk Management I can see a partition on the disc, but in RAW format.
The hotfix support.microsoft.com/kb/975617 didn't install.
The version of the udfs.sys is 6.1.7601.17514.
On the *SAME* machine and DVD reader, under a virtual Windows 7 (Virtualbox), with the *SAME* disc, in Disk Management I can see a partition on this disc in UDF and can be read with success.
The virtual machine is made with images on ModerUI.
The version of the udfs.sys is the same: 6.1.7601.17514.
I don't have any burning software on the phisical machine.
I have also installed the same release of VirtualBox under the virtual machine, to see if this software can create some problem: no, the disc is always in UDF format and can be read with success.
Can anyone help me?
Andrea Treggia - Italy