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I'm having update issues with 11.04. Read one possible solution about selecting "software sources" in the repository. The thing is i can not select it, (tick it) just shows a line "-". Why is this? Any idea?enter image description here

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Refering the update issues: Did you try sudo apt-get update in a terminal - does it give you an error message?

Refering the "tick": When I (in 11.10) tick this I get asked for the root-password. Then it's no problem. I regrettably have no idea ...

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