Our corporation handles it:
Software bug reports or help: Always Free
How to questions: Chargeable $7 per call billable in 10 min increments.

Yes every application will have bugs. It is hard to write a 100000 page word document without one spelling mistake and having every chapter back link to multiple chapters in a flawless manner. In large applications like ours and the one we are debating recursiveness is always a pain. The intent though is of course to never have bugs.

We have worked tirelessly over the last 7 years to ensure our software is relatively bug free however the statement still remains true: Where man meets computer, there will always be a bug