HELLO EVERYONE, I REALLY HOPE THAT SOMEONE CAN HELP ME OUT THERE! 
 
 
I PURCHASED AN ACER NOTEBOOK THAT ALREADY HAD WINDOWS 7 INSTALLED.
I RECENTLY CHANGED MY ADMINSTRATOR ACCOUNT PASSWORD 
 
WHEN I CREATED A GUEST ACCOUNT FOR MY COMPANION.  YES, STUPID ME FORGOT TO WRITE DOWN MY NEW ADMINISTRATOR  PASSWORD. I STILL CAN USE THE GUEST ACCOUNT BUT I AM COMPLETELY LOCKED OUT OF ALL ADMINISTRATOR FUNCTIONS,FILES, ET CETERA. 
I HAVE A NORTON INTERNET SECURITY PROGRAM WHICH EXPIRES TOMORROW, LEAVING ME OPEN TO INTERNET VIRUSES, SPYWARE IF I GO ONLINE.
SINCE I PURCHASED MY NOTEBOOK WITH WINDOWS 7 HOME PREMIUM ALREADY INSTALLED, I HAVE NEITHER A SYSTEM REPAIR DISK NOR PASSWORD RESET DISK.
 
DOES ANYONE KNOW HOW I CAN REGAIN ACCESS TO MY ADMINISTRATOR ACCOUNT? I ONLY BOUGHT MY NOTEBOOK A FEW MONTHS AGO, THIS WAS A STUPID MISTAKE WHICH I SHALL LEARN FROM.
 
THANKS FOR ANY ASSISTANCE WITH THIS PROBLEM...
[edited for privacy]