URGENT: Website Down - Need Immediate Fix (WordPress)

My website is currently down and I need it back online as soon as possible. What I know so far: Platform: WordPress Hosting: Cpanel What's happening: white screen When it went down: after an update or plugin install Recent changes: updated plugins What I need from you: 1) Diagnose the cause quickly and get the get the website back online 2) Brief explanation of what happened and how to prevent it 3) To do it as soon as possible Budget: fixed price 50$ Please include in your proposal: your availability, similar outages you've fixed, and your first diagnostic steps based on my description.