write protected/IO error

[superkimmer]

I successfully burned 4 DL DVDs last week. I had to buy more DVDs and am trying to use Memorex DVD+R DL. No luck. I get an error message. I haven't changed any settings and my files are not write protected:

 

I 15:26:20 ImgBurn Version 2.4.2.0 started!

I 15:26:20 Microsoft Windows Vista Home Premium Edition (6.0, Build 6001 : Service Pack 1)

I 15:26:20 Total Physical Memory: 1,964,212 KB - Available: 842,024 KB

I 15:26:21 Initialising SPTI...

I 15:26:21 Searching for SCSI / ATAPI devices...

I 15:26:30 Found 1 DVD

[mmalves]

http://forum.imgburn.com/index.php?showtopic=8000