[ubuntu netbook remix] Ubuntu 10.04 can't access windows share after Windows 8 upgrade

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http://ubuntuforums.org – Hello, I've been using Ubuntu Netbook Edition for a couple of years now. I upgraded my main PC from Vista to Windows 8. I want to reach a Windows share which went well in Vista. Now it keeps prompting my for a username/password. On a Win7 laptop the share is reachable without credentials. The netbook (ubuntu 10.04) shows up when I browse the network on the Win8 PC and vice versa. The NMDB & SMDB services are running. When I run: sudo service samba start, I get: unrecognized service. Any ideas? Which credentials should I use? I tried the username/password of the regular account of (Hardware)