No administration account

After installing a software, I've lost the administrative privileges on my
personnal account. I've tried to login as the administrator via the safe
mode. I've loged in successfully but the surprise is that the administrator
account is considered as a guest account.
So now my computer is not usable til I don't have any adinistrative
privileges on my PC.

Excuse my bad english.
Thanks.

Hello,

what does "not usable" mean exactly?
Here's a guide for you (Step 1 obviously didn't work correctly for you, so
try from Step 2):
http://www.jimmah.com/vista/Administ..._of_admin.aspx

Good luck!
Greetings,
P. Di Stolfo
--
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http://blog.lysorp.com - Small Windows blog in German language
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"simokrimo" <> wrote in message
news:4A676D14-FB62-4BF6-982B-...
> After installing a software, I've lost the administrative privileges on my
> personnal account. I've tried to login as the administrator via the safe
> mode. I've loged in successfully but the surprise is that the
> administrator
> account is considered as a guest account.
> So now my computer is not usable til I don't have any adinistrative
> privileges on my PC.
>
> Excuse my bad english.
> Thanks.