I am the only user on my PC and do not want to enter my password. How do I disable? I do not want to enter a password every time my screen saver starts or I install any aps.
You can disable the password lock from the screen saver by opening a terminal and running
Open the terminal window from Applications --> accessories --> terminal, run the command:
Find the line that says:
And change it to:
Save and exit the file
I must warn you though that disabling all security prompts could pose a major security risk and is extremely inadvisable.