If you have already uploaded the file then the name may be misspelled or it is in a different folder.
You may get a 404 error for images because you have Hot Link Protection turned on and the domain is not on the list of authorized domains.
The .htaccess file contains directives (instructions) that tell the server how to behave in certain scenarios and directly affect how your website functions.
When you encounter a 404 error in Word Press, you have two options for correcting it.
If your blog is showing the wrong domain name in links, redirecting to another site, or is missing images and style, these are all usually related to the same problem: you have the wrong domain name configured in your Word Press blog.
For addon domains, the file must be in public_html/addondomain.com/example/Example/ and the names are case-sensitive.
When you have a missing image on your site you may see a box on your page with with a red In this example the image file must be in public_html/cgi-sys/images/ Notice that the Ca Se is important in this example.
In this example the file must be in public_html/example/Example/ Notice that the Ca Se is important in this example.
It is also possible that you have inadvertently deleted your document root or the your account may need to be recreated.Either way, please contact your web host immediately. See the Section on 404 errors after clicking a link in Word Press.