It gives that error if its unable to download the file for any reason. It might not be a chmod issue at all, maybe your server is blocking RS access. Try it with rapidleech. If you can successfully download the file, then try it with phpUploader

I can download form all hosts on my rl mate , but the script doesnt seem to download from any.. mind taking a look?
max13 Reviewed by max13 on . phpUploader v2.1 - Opensource php based auto uploader Wtf is this? Who the heck are you? This is phpUploader. An open source and/or free, php based auto uploader. I'm lifetalk - a pretty much unknown figure around here. What does it do? FFS! I can't be arsed to keep updating this paragraph, lol. This shit does a lot of stuff. Have a look at the changelog. Features: - Downloads from RS/HF/FS/MU (Vanilla and LeechMod) - Extracts files (Vanilla) - Can extract password protected RAR's (Vanilla) Rating: 5