Joomla Admin Pop Up / Image Button not Work

Saya mendapatkan informasi ini langsung dari forum Joomla karena saya pusing habis upgrade koq malah halaman adminnya tombol-tombol Pop Up nya tidak ada yang berfungsi.

Ga usah pake lama-lama, silakan di baca dan di pahami dengan seksama dan dalam tempoh yang sesingkat-singkatnja... :)

Ini adalah rekaman singkat percakapan antara joomla user:http://forum.joomla.org/memberlist.php?mode=viewprofile&u=678654 dengan joomla master volunteer: http://forum.joomla.org/memberlist.php?mode=viewprofile&u=37

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After automatic upgrade from 2.5.6 to 2.5.7 I have popups in admin area not working - link "parameters" in article manager, in Phoca Download manager. Instead of popup they link to no-style page from where nothing can be done - neither save nor close.
Thanks for help in advance.

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Make sure the database has been updated to reflect the changes from the update(s)

Go to the Extensions=>Extension Manager->Database tab

CLICK the Fix button (top right toolbar).

Also , make sure that you clear the Joomla cache files.

Go to Extensions=>Extension Manager->Updates tab

CLICK Purge Cache

Report back with the outcome.

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No chance to do that now. I rolled back to the back-up version so now it shows "You have the latest version of Joomla" but... it is 2.5.6. 

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OK well now you still have to update to 2.5.7

1. Install the 2.5.6 to 2.5.7 Update Package
2. Go toExtensions=>Extension Manager->Install tab Upload Package File option.
3. Select the file by Browsing to your PC
4. Click Install
5. Once installed make sure the database has been updated to reflect the changes from the update(s)
6. Go to the Extensions=>Extension Manager->Database tab
7. CLICK the Fix button (top right toolbar).
8. Also , make sure that you clear the Joomla cache files.
9. Go to Extensions=>Extension Manager->Updates tab
10. CLICK Purge Cache
11. Then make sure the Extensions are up to date as well
12. Go to Extensions=>Extension Manager->Updates tab
13. Click Find Updates
14. Select individual updates that are shown one at a time
15. Click Update
16. Once the list is empty (or it is empty to begin with)
17. Click Purge Cache
18. Clear your Browser Cache also.

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Oh yes. It's all right now.
Thank you