I downloaded the software to maker my firmware chipless. I was following the steps on your site or your youtube. I went to open the download from your site. It said I needed an app to run .rar files. I downloaded RARopener. It got halfway through opening the files and stopped. I left it for a couple of hours and it never progressed past halfway. I tried 9zip and another one I'm drawing a blank on. When I click on INKchip.net firmware_P800 it says ERROR: could not find files needed to start. I've removed this and downloaded again. Same thing every time. The firmware version for my printer says OR30G6 30/06/2016. What else can I do? I have the SC P800
