Windows Installer - HELP PLEASE

>I recently did a recovery on my computer and since then I
>am having trouble installing or uninstalling various
>programs.
>
>I regularly get a message stating, that the file I am
>looking for "is on a network resource thatis
>unavailable.
>Click OK to try again, or enter an alternate path to a
>folder containing the installation
>package, "__________.msi" in the box below.
>C:\hp\tem\src\en\"
>
>There is no such file on my computer.
>
>I enabled Windows Installer logging tonight, and I am
>getting the following messages when trying to open
>Add/Remove in the Control Panel and when clicking on
>Norton Systemworks.
>
>Event Type: Warning
>Event Source: MsiInstaller
>Event Category: None
>
>Description:
>Detection of product '{4F5FC172-F0E7-4EA5-902F-
>8D005DF9F000}', feature 'cuS2w' failed during request for
>component '{A4752D78-4B14-4DE8-920E-278604ED4D6D}'
>
>Description:
>Detection of product '{A4409609-BC39-49BD-8D28-
>0F19AF6122C6}', feature 'NSWPlugIn' failed during request
>for component."
>
>Description:
>Detection of product '{4F5FC172-F0E7-4EA5-902F-
>8D005DF9F000}', feature 'cuS2w' failed during request for
>component '{378B2CE6-8761-434C-9489-8940FDCF6265}'
>
>For more information, see Help and Support Center at
>http://go.microsoft.com/fwlink/events.asp.
>
>
>Microsoft.com has not provided any help whatsoever. I
>purchased my HP Computer with Windows XP already
>installed. I have the CDs that I made, but not the
>original Windows XP disk. Never again! Microsoft won't
>help and refers me to HP because it is OEM and I think HP
>is out to lunch.