TS1544 I forgot my Keychain Password. As I follow the steps, after clicking ""Reset to my default Keychain""a new window showing ""UNIX[Invalid argument]"". Give me a solution to reset my Keychain Password.

I forgot my Keychain Password. As I follow the steps, after clicking ""Reset to my default Keychain""a new window showing ""UNIX[Invalid argument]"". Give me a solution to reset my Keychain Password.

DO A BACKUP FIRST
Use your recovery partition so you can reset everything.(power up up holding the COMMAND R keys and restore OS X You can do a restoration and start from square one.
Your profile does not disclose the version of OSX but from the forum you posted in I assume your are running 10.7 Lion, which is wnat a Mac uses.You have listed in your profile iOS and a iPhone, iOS is used for iPhones, iPads, iPods...mobile devices, and is quite different from OSX which is used by Mac computers.
As well as the year and model ID of your mac. (You can find this info by clicking on the Apple logo in the menu bar>About this Mac>more info/system profile (depending on which OSX you are using) then posting it, so that we can eliminate the "guessing" of of how to possibly provide help/advice/suggestions to you
Without this info it is difficult to help someone reading this post to offer advice/suggestions.

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