User blog:Sonicfan919/Problem uploading files

I'm trying to upload this jpeg file and it's not working then when I change it to png it's still not working. This is happening for two pictures I'm trying to upload.

Here's what is says when I try to upload them.

This file contains HTML or script code that may be erroneously interpreted by a web browser.

and

Cannot upload this file because Internet Explorer would detect it as "$1", which is a disallowed and potentially dangerous file type.