“The NPF driver isn’t running. You may have trouble capturing or listing interfaces.” When you try to pick an interface to capture the list will be empty. The NPF driver isn't running. You may have trouble capturing or listing interfaces. To fix this Wireshark problem just restart the service. See video for ins. I have a Windows 7 Pro system working fine with Wireshark. I have another where the npf driver isn't running and nothing I've tried seems to help. So I'd like to focus on getting the npf driver: 1).
Active4 years, 8 months ago
When I start up Wireshark, why do I see this message?
'The NPF driver isn't running. You may have trouble capturing or listing interfaces.'
Matthew SimoneauMatthew Simoneau
51911 gold badge66 silver badges1717 bronze badges
4 Answers
You need to run Wireshark with administrator privileges.
51911 gold badge66 silver badges1717 bronze badges
It's really best not to run Wireshark as Administrator. See here for an explanation - bugs in the dissector can do a lot more damage when it runs as administrator. A better solution (offered here) is the following:
user111412user111412
Run 'cmd.exe' as Administrator, and go
then
To make sure type 'sc qc npf', you will get the output:
To make it back type:
Darius MiliauskasDarius Miliauskas
RTI Protocol Analyzer with Wireshark uses the Windows Packet capture (WinPcap) driver called NPF driver when it starts to capture live data. Loading the driver requires Administrator privileges.
To cllear this error, you need to open the file called npf.sys which is located at
in Windows 7. Follow the below guide to open the npf.sys file.
Firstly, make sure that you have installed winpcap, if you didn't install it, just go to its official site and download it for installation: http://www.winpcap.orgNext, find cmd.exe which is located at
in Windows 7, right click and 'Run as administrator'. When it opened, input net start npf, then the NPF driver is successfully opened. That is,the file npf.sys is opened. At last, restart Wireshark, it will be OK now.
Note:
If you are using Linux or Ubuntu, after WinpCap is installed, use the common ' >$ su Administrator ' to switch to the highest authority account, then input net start npf .
If you are using Windows XP, login with administrator account then open cmd, input net start npf.
Jan Doggen
Npf Driver Isnt Running Wireshark Download
3,23066 gold badges2828 silver badges4545 bronze badges
user401628
Not the answer you're looking for? Browse other questions tagged wireshark or ask your own question.
Active4 years, 8 months ago
When I start up Wireshark, why do I see this message?
'The NPF driver isn't running. You may have trouble capturing or listing interfaces.'
Matthew SimoneauMatthew Simoneau
51911 gold badge66 silver badges1717 bronze badges
4 Answers
You need to run Wireshark with administrator privileges.
51911 gold badge66 silver badges1717 bronze badges
It's really best not to run Wireshark as Administrator. See here for an explanation - bugs in the dissector can do a lot more damage when it runs as administrator. A better solution (offered here) is the following:
Npf Driver Windows 10
user111412user111412
Run 'cmd.exe' as Administrator, and go
then
To make sure type 'sc qc npf', you will get the output:
To make it back type:
Darius MiliauskasDarius Miliauskas
RTI Protocol Analyzer with Wireshark uses the Windows Packet capture (WinPcap) driver called NPF driver when it starts to capture live data. Loading the driver requires Administrator privileges.
To cllear this error, you need to open the file called npf.sys which is located at
in Windows 7. Follow the below guide to open the npf.sys file.
Firstly, make sure that you have installed winpcap, if you didn't install it, just go to its official site and download it for installation: http://www.winpcap.orgNext, find cmd.exe which is located at
Npf Driver Is Not Running Wireshark
in Windows 7, right click and 'Run as administrator'. When it opened, input net start npf, then the NPF driver is successfully opened. That is,the file npf.sys is opened. At last, restart Wireshark, it will be OK now.
Note:
If you are using Linux or Ubuntu, after WinpCap is installed, use the common ' >$ su Administrator ' to switch to the highest authority account, then input net start npf .
If you are using Windows XP, login with administrator account then open cmd, input net start npf.
Jan Doggen
3,23066 gold badges2828 silver badges4545 bronze badges
user401628
Npf Driver Isn't Running WiresharkNpf Driver Isn't Running Wireshark Windows 10Not the answer you're looking for? Browse other questions tagged wireshark or ask your own question.Comments are closed.
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