Cannot correctly reorder games in XMB menu after installing 660PRO-C2

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What steps will reproduce the problem?
1. install 660pro-c2 via PROUPDATE (and FastRecovery if rebooted)
2. reorder the games using filer6.6 or psp game structure utility
3. look at game list under XMB menu

What is the expected output? What do you see instead?
New order of games should be shown, but a seemingly random order is shown 
instead

What version of the product are you using? On what operating system?
Using OFW 6.60 + CFW 660PRO-C2

Please provide any additional information below.
If you use a homebrew enabler (neur0n's HEN For 6.60) instead of fastrecovery, 
correct order of games is shown.
Have not tried older versions of 660PRO.

Original issue reported on code.google.com by [email protected] on 16 May 2013 at 12:10