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Possible Duplicate:
Is a clean install better than upgrading?

Is using the upgrade (when you already have an older version of Ubuntu running) exactly the same in the end as installing fresh?

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marked as duplicate by Jorge Castro, Marco Ceppi May 1 '11 at 13:18

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

up vote 1 down vote accepted

Yes, but with the upgrade all your installed programs and their dependencies are updated to match the version in the Natty repositories e.g. Example App is at version 1.0 in 10.10 but in 11.04 Example App is 1.2 as Example app is available via the Ubuntu repositories.

A fresh install installs Natty from the CD/ media etc. and does not keep your settings, files etc.

Hope this helps


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upgrading give you the chance to reserve all programs and configurations you had for them and it will upgrade and install new packages related to the system itself and after upgrading usually it will ask you wheather you want to keep or delete the packages which has no use or third party packages (packages outside the natty main sources). as a conclusion if you upgrade all application that you download from ubuntu sources will be safe and upgraded if there is a new version and all your data will be safe. but for third party sources ubuntu will ask you if you want to keep or remove

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After I upgrade from Ubuntu 10.10 to Ubuntu 10.04 I had some problems with the widnows and dialogs which do not in maximize state. I cannot click the button or click to text box to input value unless I change it state to maximize.

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You may want to consider adding this as a comment to the original post instead : ) – Alan Apr 30 '11 at 16:27

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