Program removal

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http://askubuntu.com – I have a seemingly simple problem that's been bugging me for a while now. I have installed wine at some previous point, and I am offered to choose from shortlist, when I right click a suitable program, to run it by Wine. However, there are newer versions available from the one that I am offered. I would like to uninstall this version, and instead use a new one. However, it is NOT installed as software package, which impedes solution. Where do I go from here? (HowTos)