Forgot Admin password for Vista Business

[Guest]

I bought my computer with Vista Business intalled. I've been using the
administrator profile (as my profile) up until yesterday when I switched it
to a "user". I assigned the ASP.NET profile as administrator and did not
assign a password. When I restarted my PC, now there is no way for me to
access the administrator rights since it requires me to input a password. Is
there a default password for this, since I did not assign one in th first
place? Now there is no way for me to change the settings of my PC.

Please help!!!

 

[Guest]

See my post starting 4/5 "completely lost administation abilities", I hosed
myself in a different way but with the same results. After trying every
trick I could think of I gave up, booted into system recovery, and restored
to a time before I did the change that messed me up (along with many other
changes I had to redo)