Try remove the old Virus-protection with Add/Remove.
You might be promted for the password by the UAC (User Access Control).
You are the administrator, but the program you install are not, that should
And then again - when you log on, Vista logs you on as standard user. Every
time you have to use admin-rights, the UAC will prompt you for password.
> I began downloading TrendMicro (an anti-virus program), and it didn't finish
> installing because there was another anti-virus program on my computer (CA
> Internet Security - out of date). So when TrendMicro tried to remove it, a
> message popped up saying that I didn't have the rights to uninstall the
> program, and to try logging in as administrator. The Problem with that,
> however, is that I don't have an administrator account. Reading other
> messages on here, I've gotten the impression that an administrator account is
> bulit-in. I use Windows Vista - it was on my computer already when I had
> bought it, and when I first began using it just asked that I come up with a
> username and password. So yeah, I've never been "administrator", just a
> user...and therefore I have no clue as to how I log on as an administrator.