@shreeit
some more details such as:
1. Operating System used
2. DirectShow codecs installed
3. Is Haali Media Splitter installed?
4. Does the problem happen only with 2.3.0 (with HCenc 0.24beta) or with 2.2.6 (with HCenc 0.23) too?
5. Copy and past AVStoDVD log file here
Have you read the Help section carefully? The FAQ can help you a lot.
Bye