Cannot change password for local account
2004
Getting an "Authentication token manipulation" error when trying to change my user password
121883
Cannot login to my user account
45290
Update Manager doesn't ask for a password
142930
What is the default password for Ubuntu 12.04?
62560
Change Password Programmatically
157604
How to reset main user account?
78197
How to set user passwords using passwd without a prompt?
86170
Can't login to my user account
145773
How do I change my Stack Exchange password?
88003
can't log in after password change (ecryptfs)
40452
How do I delete or fix my Keychain after changing my password?
1515
How can I reset a Mac's password from Single User Mode?
47363
Resetting password for Macbook
138545
How can I use the Change Password component in Communities
100535
How can we change root password?
88156
Can I set my user account to have no password?
34336
How do I reset the Windows XP Administrator password?