Windows 7 Ultimate 64 bit
Intel core i5 cpu
8 gig memory

When I click on computer-system properties-all control panel items-user accounts-manage another account. The screen shows that I have 2 administrator accounts and 1 guest account. Is that possible to have two administrative accounts? If so, how do I get rid of one of the administrator accounts. What happens is when I want to get rid of a program a screen says I need administrative permission to do so. Will that fix the problem? Do you need more info?

Thanks