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Norton Antivirus was unable to modify the registry to configure Auto P

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I recently bought a 2-year subcription to Norton Antivirus 2005 (I have Windows XP home edition) and I can download the file from the Symantec website, but after the download, when Norton tries to configure and run Live Update, I get the following error message "Norton Antivirus was unable to modify the registry to configure Auto Protect. You must have Administrative rights to configure Auto Protect"

So I've followed the troubleshooting instructions from Symantec for this error. The first step is to make sure I have administrative rights. I know I do, because I only have one user set up on my computer, and it has the "computer administrator" designation. But even so, when I try to follow the instructions which asks me to go to the Administrative Tools in the Control Panel, and then to Computer Management and then to double click on the "Local Users and Groups" file, I don't even have this file. It's nowhere on my system. But I doubt that's the problem, since I already have administrative rights.

The second thing Symantec says to do is to add permissions to Symantec registry keys and reinstall Norton Antivirus. So I did that...it involves going to HKEY_LOCAL_MACHINE\system\CurrentControlSet\Services and under permission to check the "Replace permission entries on all child objects with entries shown here that apply to child objects" box. And then repeat the process under HKEY_LOCAL_MACHINE\system\CurrentControlSet\Services\NACAPSVC. I completed all that and restarted, and uninstalled Norton and reinstalled, and I still have the same problem.

When I turn on the computer, it tries to run Norton Antivirus, but needs to configure, so I get the same error message about needing adminstrative rights. If I say OK to the error message, it seems to configure anyway, and Norton antivirus shows that "auto Protect" is enabled, but I can't run live updates and every time I start my computer, I have to go through this configure error process, or just shut Norton down without configuring.

I have spent one whole day on the phone with Norton, and another whole day on the phone with HP (because my computer came with XP pre-installed, so XP told me to contact the manufacturer), with no progress. We have tried adding another user, to see if Norton would work within a different user with adminstrative rights - no luck. I have uninstalled and reinstalled Norton more times than I can remember. This is my last resort before I ask for my money back and try a different antivirus program. Any words of wisdom? :tazz:
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Hello and Welcome to Geeks To Go

This is why I do not like Norton programs, they get these unfixable problems. I would get AVG Anti Virus Which I think is better then Norton and it is FREE. There is a link to it in my signature. If you don't have Norton it can give you errors, so do uninstall it and get AVG AntiVirus.
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