After starting OpenVAS and although all 3 services seem to start OK (green color), I get the message:
Warning:
MHD_USE_THREAD_PER_CONNECTION must be used only with MHD_USE_INTERNAL_POLLING_THREAD.
Flag MHD_USE_INTERNAL_POLLING_THREAD was added.
Consider setting MHD_USE_INTERNAL_POLLING_THREAD explicitly.
I have moved the topic to the correct category for now. It could be possible that the info above is made more prominent / easier to find in the future.
Using the search functions of the forums (top right) for this keywords shows various existing threads where an answer was e.g. given here: