: Make sure that your PS3 is compatible with the HEN exploit and that you have the correct version of HEN installed. The HEN exploit's compatibility depends on your PS3's firmware version.
The "fixed" approach involves using the latest stable build (often listed as or newer) that maintains compatibility through Hybrid Firmware (HFW) . Where to Download the Fixed Version multiman 489 hen download fixed
When 4.89 dropped, many users found that enabling HEN and then opening multiMAN resulted in a total system freeze. : Make sure that your PS3 is compatible