What is your PC set up?
Have you cleaned up your PC lately - use CCleaner?

Without additional information - looks to me as though you need to clean up your PC.

Read the guide:
http://forum.cyberlink.com/forum/posts/list/7979.page

Dafydd
[Moderator]

[What is your PC set up?]
Motherboard Asus P7P55D
Intel I5 750 processor
3GB ram OCZ 1333Mhz
Western digital 1TB green
Video: Asus Nvidia Gforce gts250 512mb
Windows 7 32 bit ultimate
Cooler Scythe Grand Kama Cross
LG GH24NS50 Super Multi 24x DVD Writer (suports DVD-R DL)
Monitor LG 23"Wide Flatron W2361VG
Webcam Microsoft Lifecam Cinema HD
Mouse logitech MX620
Keyboard Logitech Cordless Desktop® MX™ for Bluetooth®

[Have you cleaned up your PC lately - use CCleaner? ]
Yes

No clue what's the cause.

1. Read the guide:
http://forum.cyberlink.com/forum/posts/list/7979.page You didn't follow the link.
2. "No clue what's the cause." You haven't read the guides!

Take the time to read the thread I directed you to. You will see a list of guide instructions on how to present information to help track and find causes.

Attach images with your post, state ALL media content types, display images of the media library. List your actions and the selections made. Members may be able to help you.

Here's the link to Technical Support:
http://www.cyberlink.com/prog/support/cs/index.do

Dafydd
[Moderator]

Yes dude i read!
But it takes some time to prepare all information needed.
I will try do a new install first and see what happens.
Thanks

Found the cause of the problem!
I had two burn softwares here!
Nero and power2go
The shared files causes the problem in PD8.
Im using Nero only and everything is OK now.
Thanks