File Company:Realtek Semiconductor Corporation
File Product: Realtek RTL8139/810x Family Fast Ethernet NIC
File Version:N/A
File path(s):C:\Windows\system32\
File size:0KB
File type:SYS
Description:Realtek RTL8139/810x Family NDIS 5.0 Drv

What causes a Rundll Error?

A Rundll error occurs when XP, Windows 10 systems startup, and the Rundll error is caused by: Improperly deleting a DLL file. Missing DLL errors caused by deletion of a shared DLL file when an application is uninstalled. A shared DLL file is deleted or infected by a virus or Trojan. Invalid or incorrect DLL entries in the Windows registry. Corrupted DLL files.

How to Fix R8139n5.sys problems

What is R8139n5.sys?

R8139n5.sys is part of a product called known as Realtek RTL8139/810x Family Fast Ethernet NIC and it is developed by Realtek Semiconductor Corporation. C:\Windows\system32\

Do you have a problem with R8139n5.sys?

If R8139n5.sys is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Try installing DLLEscort to fix this error.

How to remove R8139n5.sys from your computer?

If you want to remove R8139n5.sys from your computer, just go to Start > Control Panel > Add/Remove programs and select Realtek RTL8139/810x Family Fast Ethernet NIC from the list.

How can you fix problems with R8139n5.sys?

If you have any problems with R8139n5.sys, you may try using a dllescort to check, analyze, and fix DLL problems that are affecting the performance of your computer.

How can you find further information for R8139n5.sys?

Realtek RTL8139/810x Family NDIS 5.0 Drv

Run System File Checker (SFC)

1.Press Windows Key + X then click on Command Prompt(Admin).

command prompt with admin rights

2.Now type the following in the cmd and hit enter:

Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows

SFC scan now command prompt

3.Wait for the above process to finish and once done restart your PC.