What is ndis?
Ndis.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 ndis.sys belonging to the Windows system or an application you can trust.
Ndis.sys file information
The process known as NDIS 5.1 wrapper driver or NDIS 6.20 driver or NDIS 6.0 wrapper driver belongs to software Microsoft Windows Operating System or Betriebssystem Microsoft Windows by Microsoft (www.microsoft.com).
Description: The original ndis.sys is an important part of Windows and rarely causes problems. ndis.sys is located in the folder C:\Windows\System32\drivers.
Known file sizes on Windows 7/XP are 182,912 bytes (78% of all occurrences), 182,656 bytes and 5 more variants.
The driver can be started or stopped from Services in the Control Panel or by other programs. The file is a Windows core system file. The program is not visible. There is no detailed description of this service. It is a trustworthy file from Microsoft. ndis.sys seems to be a compressed file. Therefore the technical security rating is 2% dangerous; however you should also read the users reviews.
Recommended: Identify ndis.sys related errors
Important: Some malware disguises itself as ndis.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the ndis.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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flashksk.exe stdrt.exe mspmirage.exe ndis.sys com4qlbex.exe e_srcv02.exe firstreboot.exe alsysio64.sys sshdrv5c.sys ssttr.dll pmkjg.dll [all]