Please make sure to install BuddyPress first and enable notification feature of BuddyPress.

Yes its possible, read this article: How to disable AnsPress profile. Cheers.

Update AnsPress version from Github. Delete this two files from AnswerBox/anspress directory category.php tag.php

it will be available at this link: http://yourdomain/BASE_PAGE/user/USER_NAME

We expect #hashtag and @mention in next coming update?

Pass arguments with shortcode: [anspress category="category_slug"]

Please refer to http://anspress.io/documents/. If you still need help let us know. Cheers.

Its look like the enqueue name conflict, replace all contents of anspress-question-answer/theme/default/function.php to this: https://gist.github.com/rahularyan/c6cf22ba69a38d14a42f

Moreover, in the AnsPress Options_general I’m unable to untick all the options, when I do and then hit save options it automatically Retick it again.

I have sent you an email @Rahul