[support] Error 500 after update.php

v5.10, I am getting weird Error 500. Regardless of which module I update, after I ran update.php with no error message, I am no longer able to access <mysite>/admin without Server Error 500. I have restored from backup and tried updating different modules with same results 3 times so far.

When update.php finishes, the admin link is /?q=admin instead of / admin, and this ends with Error 500, so I go to Main first then click on admin from the Nav. Still Error 500. Now if I type /admin/ <subdir>, it just works, i.e., /admin/settings.

This is just so weird. Does anyone know what is going on?

-- - Hiro

Hiroaki Honshuku, A-NO-NE Music, Greater Boston http://a-no-ne.com http://anonemusic.com