Sometimes due wrong configuration on setup your website can look like in screenshot below.
Dont worry this is easy to be fixed.
First which you can do is to open your website admin panel (http(s)://yourwebsite.com/admin) and to go to Web Settings page. Where is field "Site url address" add slash "/" of the end of url address and save changes. Example: if you see in field url address like "http(s)://yourwebsite.com" must be "http(s)://yourwebsite.com/".
And all is done!
If problem is not solved in first step, you may have problem with .htaccess file. If you install script in sub-directory or manage your websites directories with other .htaccess rewrite rules you must config our .htaccess file. If you use sub-directory you must edit .htaccess file and where is "RewriteBase /" must setup your sub-directory location like "RewriteBase /your_directory/".
If your problem continue, you can contact us to solve your problem.
This is a not a problem, its a security which we made for your customers. We secure a directory where user attach their documents and payment proofs to escape a user data abuse. If you see a browser to load image like this:
Dont worry just go to your website main directory via File Manager or FTP Client and you will see there have generated a random hashed directory like "a2ecdd3986107c5ed3ca". Open this directory and there have a .htaccess file. Edit this .htaccess file and add your IP address to be allowed. If you dont know your ip address, you can visit WhatIsMyIP.com to get it.