Before you go any further please watch the Installation Videos again Here. Most problems are pretty simple to work out and you may find the answer quickly by referring to the help videos.
If that doesn’t answer your questions then please do the following :
(1) Deactivate all other plugins on your site APART from WP Affiliate Crush
(2) Start Re-activating them one by one until your find the plugin that is causing the problems.
(3) Deactivate that troublesome plugin and get back to enjoying your WP Affiliate Crush Software!