Have you ever tried to burn 46GB of data on a BD-R dual layer disc or 23GB of data on BD-R single layer disc in Windows 7? If yes, you most probably received following error message:
The disc wasn't burned successfully. Make sure that you have the latest firmware for your CD or DVD burner installed, and then try again.

Actually its a known issue in Windows 7 and Microsoft has announced it officially on Microsoft Support website.
SYMPTOM:
When attempting to burn 46GB of data to a BD-R Dual Layer disc, or 23GB to a BD-R Single Layer disc in master mode, the process fails and the following error message will be displayed:
"The disc wasn't burned successfully. Make sure that you have the latest firmware for your CD or DVD burner installed, and then try again."
CAUSE:
This problem occurs because Windows 7 does not calculate the write capacity of BD-R correctly.
SOLUTION:
To work around this issue, do not attempt to write more than 22GB of data onto a BD-R Single Layer disc or 45GB for a BD-R Dual Layer disc.
Wow. Even Microsoft doesn't have a working solution for it except from ignoring it or not crossing the limit...
Thanks to Softpedia for sharing the info...
This article was posted by VG in following section: Troubleshooting, Windows 7.
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Abhishek Singh
I just read it at softpedia...
VG
^^ Yeah. Thats where we got the news from. Already mentioned at the end. ;)
abhishek singh
VG, As i don't have BD-R writer, so can you please explain it to me, that what was this bug explains.
VG, you have posted two aero media player in last few days, another nice skin is created by me for xion which i have submitted in your askvg group at DA. Hope you like it.
raamee
Just use other writer softwares.