bridetsins

Did you recently upgrade your wordpress version?
Try checking this link: https://robinjescott.com/resolve-wordpress-the-site-is-experiencing-technical-difficulties/

This will work for you:https://www.ads-software.com/plugins/popup-anything-on-click/
Check a demo video below. Sounds just like what you need

Try these plugins:
WP Polls
Democracy Poll
YOP Poll

Hey! Have you tried checking this: https://www.wpbeginner.com/wp-tutorials/how-to-add-additional-file-types-to-be-uploaded-in-wordpress/
And also, can see there are some plugins that can help: https://www.ads-software.com/plugins/wp-extra-file-types/

I can see one guy here got the same issue:
https://wordpress.stackexchange.com/questions/260277/the-website-cannot-display-the-page/260281
Did you try checking this?

Do you have any access to the control panel of your hosting account? If not, you won’t be actually able to do a backup.

https://www.ads-software.com/plugins/all-in-one-wp-migration/ is great when you can login to your WordPress admin panel.

• This reply was modified 5 years, 9 months ago by bridetsins.
• This reply was modified 5 years, 9 months ago by bridetsins.

Try these tips:
1. Reset file permissions to default ones
2. Go to admin area-> Settings-> Permalinks -> Save or edit them as needed in the options above
3. In your posts area, check what links your posts are set on and if they are still on your website