Coppermine Gallery Fix

I have a couple of issues with [login to view URL] open source software that was uploaded to my site: <[login to view URL]> When I login as an administatror in Internet Explorer, the upload file button is not there. When I use Firefox, it is there, but I am unable to upload pictures, etc, as it gives me an error message that it is unable to move the file. I would like to login as administrator in Internet Explorer (using version 7.05) and upload pictures, videos, etc (what is allowed) and have it? working.