What is ndistapi.sys file ?

The genuine ndistapi.sys file is a software component of Windows NDIS 3.0 Connection Wrapper Driver by Microsoft.;ndistapi.sys” is a Windows kernel driver for USB Telephony Card Devices and is a component of the telephone services function in Windows. The file holds the specific drivers for all unused USB miniports and it reports this info to the TAPI (Telephony Application Programming Interface) system in Windows. It receives teardown and call setup requests from the TAPI provider like AT&T, Cricket, Time warner, Vonage, magicJack® VOIP, Qwest, etc. and then sends those requests to the specific miniport drivers through the NDISWAN (Network Driver Interface Specification Wireless Area Network) for setting up, monitoring, and tearing down lines and calls. Microsoft is a well-known, global corporation that develops innovative devices and software, such as their Windows operating systems and hundreds of PC accessories and devices.;NDISTAPI stands for N etwork D river I nterface S pecification T elephony A pplication P rogramming I nterface;Ndistapi.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 operating system, hardware etc.;The free file information forum can help you determine if ndistapi.sys is a Windows system file or if it belongs to an application that you can trust.

Follow steps bellow to try fix the problem with ndistapi.sys

1. Use cleanmgr

To run the command cleanmgr :
Press Windows key + Q.
Enter cmd in search box , followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command cleanmgr and press Enter.

2. Use sfc /scannow

To run the command sfc /scannow :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command sfc /scannow and press Enter.

3. uninstalling programs :

To uninstall unnecessary programs :
Open the Start menu (Press Windows key + X) .
Click the first menu item Programs and Features.
Search unnecessary programs in the list of installed programs, .
Click the software you want to uninstall.

4. using msconfig

To run the command msconfig :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command msconfig and press Enter.

5. Automatic Update

To run the command wuauclt /ShowWindowsUpdate:
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command wuauclt /ShowWindowsUpdate and press Enter.

6. Use resmon command

To run the command resmon :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command resmon and press Enter.

7. use DISM.exe

To run the command DISM.exe /Online /Cleanup-image /Restorehealth :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command DISM.exe /Online /Cleanup-image /Restorehealth and press Enter.

ndistapi.sys descriptions

ndistapi.sys” is a Windows kernel driver for USB Telephony Card Devices and is a component of the telephone services function in Windows. The file holds the specific drivers for all unused USB miniports and it reports this info to the TAPI (Telephony Application Programming Interface) system in Windows. It receives teardown and call setup requests from the TAPI provider like AT&T, Cricket, Time warner, Vonage, magicJack® VOIP, Qwest, etc. and then sends those requests to the specific miniport drivers through the NDISWAN (Network Driver Interface Specification Wireless Area Network) for setting up, monitoring, and tearing down lines and calls. Microsoft is a well-known, global corporation that develops innovative devices and software, such as their Windows operating systems and hundreds of PC accessories and devices.;NDISTAPI stands for N etwork D river I nterface S pecification T elephony A pplication P rogramming I nterface;Ndistapi.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 operating system, hardware etc.;The free file information forum can help you determine if ndistapi.sys is a Windows system file or if it belongs to an application that you can trust.