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I am trying to update wordpress from 3.4.2 to 3.5 . However, when I update, I get my old version 3.4.2 back. What could be causing this?

When I click on update it shows all the steps but in the final step it gives back the 3.4.2 screen and the version remains un updated.

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Do you have any caching plugins in use? Try to clear/disable those if so. Or try to clear your browser's cache or view from another browser. There is no error at all? How many times have you managed to update? –  GhostToast Dec 28 '12 at 21:36
    
I have tried it on several browsers and tried the updated 3 times already. There is no caching plugin installed. All my wordpress core folders wp-includes, wp-admin , wp-content have write permissions. However, the update goes until the last step and finally it gives me the 3.4.2 screen instead of 3.5 –  user544079 Dec 28 '12 at 21:38
    
You might wish to uninstall WordPress and reinstall it. Be very careful if you choose to do this. Make a backup of everything. You'll want to save the wp-contents folder (especially the theme and upload), make note of the mysql username/password/path in wp-config.php. Install WP fresh and bring back in the wp-contents folder, using same database. Perhaps somehow your core files have become corrupt. –  GhostToast Dec 28 '12 at 21:44
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1 Answer

up vote 3 down vote accepted

It's likely that the files aren't writable by WP for whatever reason.

Do a manual upgrade instead.

http://codex.wordpress.org/Updating_WordPress#Manual_Update

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