Vista - Loggin on

I am trying to log onto my account but when i log on it says "The user
profile service failed the loggon. User profile cannot be loaded." What shout
i do?

Hello Iain,
Here is the link to the tutorial.
The User Profile Service failed the logon. User profile cannot be loaded.

I just have a problem because the account that i cannot get on is the
administrators account and i cannot change anything because the two other
accounts that are on my computer are stardard users now what do i do?

Hello Iain,
Perhpas you have not read the tutorial thoroughly.
-------------------------------------------------------------------------------
STEP ONE:
Logon to the Computer:
NOTE: Go down the list here until you find a option that will work for you.

1. Logon to another Administrator account.
NOTE: If you do not have another Administrator account, then proceed to step 2.
A) Go to OPTION ONE or OPTION TWO.

2. Boot into Safe Mode.
NOTE: You may not need to enable the built-in Administrator account. If this was the only normal administrator account you had, then Safe Mode should automatically boot into the built-in Administrator account. See: How to Start Vista in Safe Mode

A) If Safe Mode did not boot into the built-in Administrator account, then enable the Built-in Administrator account. If it did , then go to step 2C.
NOTE: See: How to Enable or Disable the Real Built-in Administrator Account in Vista
B) Logoff of Safe Mode, and then logon to the built-in Administrator account to logon with it in Safe Mode.
C) Go to OPTION ONE or OPTION TWO.

-------------------------------------------------------------------------------
Please read BOOT INTO SAFE MODE.
Go back to the tutorial and start from there.