Mountain Lion not compatible issue

Hi, i m using macbook pro with retina display 13'. Previously i successfully installed windows 7 using bootcamp. N now i plan on restoring everything to normal, as good as new. I tried command + r and go to disk utility where i erase the original partition which leave me with only the main drive and the so called base drive (around 1gb; which is unable to erase). Then i install the mac os x mountain lion. After successfully installed, the version is default 10.8.1 and i plan on upgrading to 10.8.2, but i was unable to do so. In apps store, it shows no update. When i try to purchase the mac os, it write not compatible. And i download the dmg file from apple aupport and is not able to install to due to the message unable to install on the drive itself through out the installation process. Anyone can help enlighten me?thanks

Couple of issues.
You should have used Bootcamp to remove the original Bootcamp partition.
I believe I read elsewhere in the community that Apple has temporarily blocked 10.8.2 from purchase or upgrade. This may last until 10.8.3 is released (no date).
You will have to continue using 10.8.1 until item 2 above is resolved.

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