- I got my friendly provider to increase my disk quota by “a little” for a couple of days – actually I was granted 300M for like 3 days
- https://www.elegantthemes.com/blog/tips-tricks/how-to-fix-the-500-internal-server-error-on-your-wordpress-website – following this web page I moved the wp-admin and wp-includes from a fresh version of WordPress to my installation directory (actually after moving my old ones aside, keeping in mind I would have to remove them in the near future)
- problem fixed