Deprecated - Usability feedback

I want to build project with Drupal 6 here is the project details.

1) The system will be having 3 roles:
• Instructor
• Student
• Admin
2) Admin
• Managing user accounts, course registration approval
3) Teacher
• Login, Create / Modify course details, set Quizzes, assign grades, online lectures with whiteboard functionality
4) Student
• Login, Register / Unregister for courses, take quizzes, online lectures , view lectures in offline mode
5) Online whiteboard functionality.

I'm getting an error uploading images to my site.

"
An AJAX HTTP request terminated abnormally.
...
"

Please let me know when this is fixed. It's important.

Thank's

I just installed Mollom to prevent spam. But already some damage was done before installing. I have several pages with spam, but also clean comments.
So I wondered if there is a way to delete multiple comments at the same time without touching the 'good' ones? Right now I am deleting them one by one and that's not productive at all.

Does the end product requires licenced software? For instance, if a database is being built, is a copy of MS required

This site mentioned in this topic is no longer active. Thank you all for the kind words that were given while it was up.

Hi!

I was working with views and after saveing I saw some errors. I flushed all caches and after that i can only see that Page is not found and this: