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Windows 7: Error from Service Control Manager - system cannot find the file

16 Feb 2014   #1

Windows 7 Ultimate x64 SP1
 
 
Error from Service Control Manager - system cannot find the file

Hello!
Not sure this is the correct forum, new here.

I constantly (roughly every 10ms) receive an error in Event Viewer

Screenshot: http://i.imgur.com/rF8Voi1.png
"The WinPcap Packet Driver (NPF) service failed to start due to the following error: The system cannot find the file specified."

There is no such service. How can I find out what process is trying to start the service?

Thank you!


My System SpecsSystem Spec
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17 Feb 2014   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Welcome to Seven Forums Nahoj. This is part of the WinPCap program usually used by network filtering/sniffer type programs. There should be a npf.sys in C:\windows\System32\drivers Do you have any network monitoring software such as Wireshark? A Guy
My System SpecsSystem Spec
17 Feb 2014   #3

Windows 7 Ultimate x64 SP1
 
 

Hi A Guy, thanks for your reply.

There's no npf.sys in C:\Windows\System32\drivers however there's npfs.sys

Yes I have Wireshark installed but it is not running.
My System SpecsSystem Spec
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17 Feb 2014   #4

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

I believe Wireshark installs npf.sys (not the npfs.sys you found). Perhaps reinstall wireshark and see if it does install the correct driver. Your error says it is not found, and indeed it is not where it should be. Found this:

NPF driver Problem in Windows 7 - Wireshark Q&A

A Guy
My System SpecsSystem Spec
17 Feb 2014   #5

Windows 7 Ultimate x64 SP1
 
 

Uninstalled Wireshark, likely that gets rid of it.

Just perplexed at what was trying to start it, considering Wireshark was not running

Thanks for your help
My System SpecsSystem Spec
17 Feb 2014   #6

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

No worries, it's basically a driver, so perhaps was just set to start and then went missing...or it's not supposed to try and start

A Guy
My System SpecsSystem Spec
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 Error from Service Control Manager - system cannot find the file




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