Hello,
I've been following this post, i'm runing moodle 3.9.2 and have the same problem! But still having it...
I folow all the steps that were mencioned here:
1. purge all caches
2. checked the database, and didn't found the line quizaccess_safebrowser
3. On my files under /mod/quiz/accessrule i have just this:
and under quiz / access rules have this
any ideas?
Kind Regards
Ricardo