If you have a problem with installation or activation of any plugin probably it is because your server interrupted installation of it. This kind of problem can happen if your server have very low limits related to connection e.g. time limit. Please delete broken folder and install problematic plugin again.

1. Install File Manager

2. Visit /wp-content/plugins/ folder

3. Delete problematic folder:

Plugin NameFolder name
Advanced Custom Fields PROadvanced-custom-fields-pro
Contact Form 7contact-form-7
Easy Social Share Buttons for WordPresseasy-social-share-buttons3
WPBakery Page Builderjs_composer
Mega Main Menumega_main_menu
MyHome Coremyhome-core
MyHome IDX Brokermyhome-idx-broker
MyHome Demo Importermyhome-importer
Redux Frameworkredux-framework
Slider Revolutionrevslider
Ultimate Addons for WPBakery Page BuilderUltimate_VC_Addons


4. Install plugin again