The PS3 KDW Rebuild Database PKG is a homebrew application that you install and run directly from the XMB. Its sole purpose is to deep-scan your HDD, locate broken links to your installed PKG games/apps, and repair them without deleting your data.
How to use Safe Mode on PS5 consoles and PS4 ... - PlayStation ps3 kdw rebuild database pkg
What a rebuild actually does
: It scans for and removes corrupted data that might prevent games from booting. The PS3 KDW Rebuild Database PKG is a