Vista - Problem with the chkdsk utility

When I try to run chkdsk on Command Prompt, I get an error message back
saying I don't have permission to do so. As well, sometimes my computer runs
the chkdsk utility at start-up and it takes forever to run completely. Is
there any way I can resolve this problem?

Hello Stephanie,
Last question first. Remember when you asked for chkdsk, and the computer told you it couldn't do it now because --- and do you want to do it next time at start up ? Instead of typing " y" as in yes, type" n " as in no. No check disk will run at start up.
First question. You need to right click, and cilck Run As Administrator. In case you and I do this differently, here is how I do it :
Start menu > search box type cmd > right click on cmd at the top > click Run As Administrator > now you can type in whichever disk check command you have in mind at the prompt.