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AVG Resident Sheild conflicting with Windows Security Center

by CStudios / July 17, 2008 3:08 PM PDT
System Software Overview:
Acer Aspire 6920G
Windows Vista Home Premium
Windows Defender disabled

My trial subscription for McAfee Security Center recently expired (came with my new computer), so I downloaded AVG Free 8 as a replacement.

First, I uninstalled McAfee completely -- every component. Of course, Vista panicked the minute I restarted my computer and forced Windows Defender up to try and move in as the new Anti-Virus program on my computer.

I ran the AVG Free 8 installer, and installed the program without any trouble; the warning flashes didn't go away.

I restarted my computer, and for the first about ten minutes or so, everything was working normally. Then -- with no user interaction whatsoever, AVG's Resident Shield shut down without warning, and Vista started panicking again. I checked the Windows Security Center, and it told me to "Turn On" AVG 8 and activate it as my Anti-Virus application. I gave it the go-ahead, but it had no effect; the Resident Shield did not restore itself.

I disabled Windows Defender and tried to "Turn On" AVG again in the Windows Security Center. This time it worked, but for no less than a minute.

Then matters got worse, and now Windows Security Center flagged me saying I had no Anti-Spyware protection. It gave me the option to choose Windows Defender or AVG, and of course, I chose AVG. It did nothing; all categories remained flagged in red.

The most odd thing about this is that if the Resident Shield is active, and I start up any web browser, it has a 50/50 chance of shutting itself down for no apparent reason.

I don't know what's going on here. I have had Windows Defender disabled when I had McAfee Security Center and had absolutely no problems. Is there something I can do to get AVG's Resident Shield back online? Do I need to disable something or re-install AVG all together?

Any suggestions would be greatly helpful. I have included links to screenshots of the problem below.

Screenshot 1: Windows Security Center in Error State
Screenshot 2: Choosing AVG as the Anti-Virus application
Screenshot 3: Allowing AVG to run as both Anti-Virus and Anti-Spyware
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Toss it. Try AVAST next.
by R. Proffitt Forum moderator / July 17, 2008 8:55 PM PDT

Why fight it?

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Solution found...
by CStudios / July 18, 2008 3:08 PM PDT

Thank you for your suggestion R. Profitt, but this morning I seem to have found a permanent solution to my problem.

It turns out that even though I shut down the main Windows Defender application and its realtime monitoring engine, its process was still running in the background and therefore the Windows Security Center still saw it as a possible anti-virus/anti-spyware application. I killed the process and then disabled its execution on Startup, and the Resident Shield for AVG was completely restored with no hiccups; no more conflicts.

If this solution fails down the road, I will look into dumping it and trying Avast, but for now, now that it's working fine, I'm leaving it be.

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AVG resident shield conflicting with windows security center
by fgianola / January 21, 2009 10:20 AM PST
In reply to: Solution found...

I am in the same exact situation as you were. In your solution, you state "I killed the process and then disabled its execution on Startup", but you don's explain how you did that. I need to do the same thing, please explain how you did it.
Tkank you

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AVG resident shield conflicting with windows security center
by JeffH. / February 27, 2009 1:14 AM PST

Open up your security center click on windows defender make sure it is off. Then you want to open up your services you can just type in services in your search box under the start menu and scroll down to windows defender right click and go properties under start up type make sure you disable. then restart your comp and avg should be up and running.

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