Deleted Infamous from the wrong folder

[vmenge]

First of all, hi
I was trying to delete Infamous from my PS3 using a file manager, but accidentaly deleted it form the folder "game" instead of the folder "GAMES" (both in the PS3 HDD). From what I know noticed, the "game" folder is for installation data, and "GAMES" is the one Multiman reads the games from.
So yeah, no biggie right? Except everytime I try to run Infamous, I get a "Installed Failed" message
Does anyone have any clue on how to fix this?

[TiHKAL]

Do you still have the option to delete the game data via the XMB?

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Find the "Game Data Utility" folder under "Games" in the Cross Media Bar.
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Find the game data you wish to delete in the "Game Data Utility" and highlight it.
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Press the "Triangle" button to open up the options menu.
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Select and press "Delete." Select "Yes" to confirm the deletion, and the game data will be removed from the hard drive.

Read more: How to Delete & Install Game Data on a PS3 Hard Drive | eHow.com http://www.ehow.com/how_5784067_dele...#ixzz1Da4HbIFT

[vmenge]

Unfortunately I don't have the option to delete via XMB anymore...
I'm formatting the PS3 internal HDD right now to see if it changes anything.