Reply To: Categories in Document Finder
It does sound like a permalink issue. things to check
The error logs would be on the server in the /log/apache*.*/ directory
1) Make sure you have created a tasks-by-catgory page
2) In Settings>Permalinks – set it back to post name. Whenyou click ‘save changes’, does it give you a message along the lines of ‘you must update your htaccess file now’ If so you need to get somone with experience in setting up wordlpress to update this file on the server.
3) If 1 and 2 dont work, once you have set permalinks to post name, go back into a category and resave it along with any content created. This should update the links to make sure everything works as it should.
Thats about all i can suggest, maybe Luke and the theme creators can suggest something.