Windows Installer not installed

i have this big problem with windows installer because when i add/remove
programs like itunes it says "the windows installer service could not be
accessed. this can occur if you are running windows in safe mode. (which am
not) or if the windows installer is not correctly installed. so, i came to
this website but nothing is working i tried downloading itunes but that too
came out "windows installer is not correctly installed. contact your support
personnele for assistance" so what could i do?

The "Windows Installer Service Could Not Be Accessed" Error Message appears
When You Add or Remove Program - 1719
http://support.microsoft.com/kb/315346

--

TaurArian [MVP] 2005-2009 - Update Services
http://taurarian.mvps.org
======================================
How to ask a question: http://support.microsoft.com/kb/555375
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"Edwin_4680" <> wrote in message
news:CFDF2B5A-D2DA-4E90-B01E-...
>i have this big problem with windows installer because when i add/remove
> programs like itunes it says "the windows installer service could not be
> accessed. this can occur if you are running windows in safe mode. (which
> am
> not) or if the windows installer is not correctly installed. so, i came to
> this website but nothing is working i tried downloading itunes but that
> too
> came out "windows installer is not correctly installed. contact your
> support
> personnele for assistance" so what could i do?