[SOLVED] Debootstap warning, installation fails

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http://ubuntuforums.org – Hi, everyone. I've being having lots of problems installing ubuntu server 12.04 lately. I am working in a Windoze 8 machine (Evaluation licence) and I am trying to install Ubuntu server in a Virtual machine running in VMWare Workstation 9. The iso file ubuntu-12.04-server-amd64.iso has the same hash than the one in https://help.ubuntu.com/community/UbuntuHashes: "f2e921788d35bbdf0336d05d228136eb" But, on install, there's a Debootstrap warning with a corrupt file and installation fails. Effectively, checking the CDRom integrity sends back errors, what gives?? While the iso (Hardware)