Make sure you have at least one activated user on your PS3, if you must you can use Apollo Save Tool (PS3) to offline activate. Make sure to enable HEN before running this if you are not on CFW. Put ...

Winutil must be run in Admin mode because it performs system-wide tweaks. To achieve this, run PowerShell as an administrator. Here are a few ways to do it: Press the Windows key. Type "PowerShell" or ...