Lbrecke on "Error 500 when updating to 4.2.1"

Tara,

Thank you for the quick and full reply. Before I start any of these items, I want to be sure they are still relevant if our website is working for visitors. Visitors can load and navigate through the website no problem... this is an error I'm receiving only when I try to update to WordPress 4.2.1 or update plug-ins.

Thank you,
Linda