How to remove an npf error
Npf.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the OS, hardware etc.
The free file information forum can help you determine if npf.sys belonging to the Windows system or an application you can trust.
Npf.sys file information
The process known as npf.sys (NT5/6 (version x86) Kernel Driver) or npf.sys (NT5/6 AMD64) Kernel Driver or NPF Driver - TME extensions belongs to software NetGroup Packet Filter Driver or WinPcap Netgroup Packet Filter Driver or NPF Driver by CACE Technologies (www.cacetech.com) or Politecnico di Torino or NetGroup - Politecnico di Torino.
Description: The file npf.sys is located in the folder C:\Windows\System32\drivers.
Known file sizes on Windows 7/XP are 32,512 bytes (45% of all occurrences), 35,088 bytes and 13 more variants.
The driver can be started or stopped from Services in the Control Panel or by other programs. The program has no visible window. The service has no detailed description. The file is not a Windows core file. There is no file information. npf.sys seems to be a compressed file. Therefore the technical security rating is 25% dangerous, however also read the users reviews.
You have the option to uninstall the program using the Control Panel ⇒ Add/Remove programs ⇒ WinPcap.
Recommended: Identify npf.sys related errors
Important: Some malware camouflages itself as npf.sys, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the npf.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
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Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.
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hotkey.exe gbiehcef.dll acedrv07.sys npf.sys hptskmgr.exe qbupdate.exe acovcnt.exe wkdetect.exe _sc_acrobat.exe imountsrv.exe vptray.exe [all]