How to reset keychain in Mac

[guest]

To reset mac keychain, completely delete your keychain then recreate it. This routine is useful if your keychain appears to be corrupt or otherwise inaccessible. To do that, please follow these steps:

1.Launch Keychain Access (located in Applications/Utilities)
2.Click "Show Keychains" in the lower-left corner of the window.
3.Select the problematic keychain from the left-hand pane.
4.Navigate to the "File" menu and select "Delete Keychain '(name of keychain)'"
5.Check all options for deletion and press "OK"
6.Create a new keychain by going to the "File" menu, then "New" and selecting "New Keychain"
You can now make this keychain your default if you desire by selecting it, then going to the "File" menu and selecting "Make '(name of keychain)' Default"