package install changepage [closed]

I am trying to install the package changepage. However I have the following displayed:

But the option 'install' leads to nothing... as no output pdf is produced (error: changepage.sty not found)

Then I tried to follow the instructions on the readme file. Now I face the problem that shows filecontents.sty not found. And somewhere I also came across something to do with a "remote repository". Please help

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closed as too localized by lockstep, Stefan Kottwitz♦Oct 7 '12 at 12:42

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I assume you're running on MiKTeX. Don't install packages on-the-fly. Rather use the MiKTeX Package Manager (MPM) and update your distribution that way. See How do I update my TeX distribution? – Werner Jul 16 '12 at 14:10
@Werner:Thanks, when I use the package manager I get the following error message Message: The remote package repository is not registered. You have to choose another repository. Data: tug.ctan.org/tex-archive/systems/win32/miktex/tm/packages Source: Libraries\MiKTeX\PackageManager\PackageManager.cpp Line: 2399 MiKTeX: 2.9 OS: Microsoft Windows XP Professional Service Pack 3 (build 2600) SystemAdmin: yes PowerUser: no Root0: C:\Documents and Settings\n09040\Application Data\MiKTeX\2.9 – Abhimanyu Arora Jul 16 '12 at 15:11