This is another plugin I tend to install on client sites to help keep uploads named in a best use way. Although servers and computers as a whole have gotten a lot better with odd named files, it can still be an issue. Over the last year I’ve had two sites have media issues related to the naming of files. For some reason sites that work fine for months will choke and it ends up being due to odd characters in a file name.
You can read more and download Clean Image Filenames from the WordPress Plugin Directory.