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Since that is a commercial theme we ask that you please go to their official support channel, so you can get support from the people who know it best.

https://themeforest.net/item/listify-wordpress-directory-theme/9602611/support

Forum volunteers are also not given access to commercial products, so they would not know why it is not working properly. This is one other reason why volunteers forward you to the product’s vendor. The vendors are responsible for supporting their commercial product.

ya, the issue is, it has nothing to do with the specific theme. It’s some kind of bug, and thier support is like $49, and Im pretty sure they dont provide support for virus or um spyware things.

You might check this reference: https://codex.www.ads-software.com/FAQ_My_site_was_hacked