[Winpcap-users] Error Starting NPF

[Andy Merrill]

I have my antivirus software completely shutdown.I tried re-installing but still am getting the same error. 
 
 
Andy Merrill
 
_________________________________________________________
 
Date: Tue, 26 May 2009 11:45:01 -0700
From: "Gianluca Varenni" <gianluca.varenni at cacetech.com>
Subject: Re: [Winpcap-users] Error Starting NPF
To: <winpcap-users at winpcap.org>
Message-ID: <4819AC0D53804ABAAE4D43C67B7AE3F6 at nelson2>
Content-Type: text/plain; charset="iso-8859-1"

Are you running any antivirus/antimalware software on that PC?

Have a nice day
GV
  ----- Original Message -----
  From: Andy Merrill
  To: winpcap-users at winpcap.org
  Sent: Tuesday, May 26, 2009 10:49 AM
  Subject: [Winpcap-users] Error Starting NPF


  I'm getting an odd error when I try to run WireShark. So I started doing some digging and found that WinPcap 4.0.2 is not starting up.  I've used it plenty of times in the past on other systems, but on this specific box I get an error in the Event Logs that says:

  "The NetGroup Packet Filter Driver service failed to start due to the following error:
  This driver has been blocked from loading "

  So I tried to start it via command line with "net start npf" and got pretty much the same error of:

  "System error 1275 has occurred.

  This driver has been blocked from loading"



  Anyone have an idea why the drivers might be failing to load?



  This is on a Windows Server 2003 system running in a VPS.


  Thanks,
  Andy Merrill

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