I'm running 4.0.26 and have uninstalled and reinstalled several times without issues recently (to get different databases and testing). The MySQL project was pretty much "Add in features, fix bugs", so the only differences between 4.0.10 and 4.0.26 should be mostly bugfixes (fixing broken features also). If you get it working with 4.0.10, then you should be able to get it working using the exact same process with 4.0.26 (or most any other version of 4.0.xx as long as the necessary features are working in it).
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