What is netbios.sys file ?

Netbios.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 netbios.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 netbios.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.

netbios.sys descriptions

The original netbios.sys is an important part of Windows and rarely causes problems. Netbios.sys is located in the C:WindowsSystem32drivers folder.;Known file sizes on Windows 10/8/7/XP are 34,688 bytes (50% of all occurrences), 36,352 bytes or 48,024 bytes.;The driver can be started or stopped from Services in the Control Panel or by other programs.;It is a Windows system file. The program has no visible window. The netbios.sys file is a Microsoft signed file.;netbios.sys appears to be a compressed file.;Therefore the technical security rating is 0% dangerous.;Uninstalling this variant;The software vendor offers the option to do the following;1) uninstall the program using the Control Panel â‡’ Uninstall a Program â‡’ Microsoft Windows;2) visit the www.microsoft.com support page.