When users upload a file it goes to the wp-content/uploads/bpfb directory and renames it something like:
For security reasons, I do not allow, nor do I recommend anyone else allow any file to be uploaded or have a file in their uploads directory that has more than one literal period. Why? There's too much of a security risk of someone uploading a file like:
With the right tools and access, if that was an actual PHP file, it's possible that someone with malicious intent go use it maliciously. There for, anything that is uploaded on any of my sites and anyone I help, that has more than one literal period cannot be accessed from HTTP.
See these links:
If there is no specific reason that you're using a literal period there, it might be a better idea to use just a hyphen or underscore instead.