Command Prompt System error 5

My computer at the loggin screen has an admin account witha strong pass and my account. Ive tried command prompt to try and change the admin password and even tried to delete it but all that shows up is "SYSTEM ERROR 5 HAS OCCURRED ACCESS DENIED". I also have another account on my computer mcx1 that i dont know about and cant even access. Please any help would be appreciated

(Win32) Error 5 just means "access denied".

It sounds like you've lost all the administrative account credentials? In other words, you don't know how to log on as an admin? Is that the problem?

M4j2 said:

Ive tried command prompt to try and change the admin password and even tried to delete it but all that shows up is "SYSTEM ERROR 5 HAS OCCURRED ACCESS DENIED".

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Did you elavate cmd.exe before type this command? http://www.vistax64.com/tutorials/181765-elevated-command-prompt.html

not simple to do that by Control Panel >>User Accounts?

Are you administrator of this computer or not?