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tunnel.sys - Repair Issues and Download

Sometimes Windows system displays error messages regarding corrupted or missing tunnel.sys files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent tunnel.sys file can therefore effect in failed execution of the started process.

tunnel.sys file Microsoft Tunnel Interface Driver. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of tunnel.sys related errors on your device. You can also download tunnel.sys file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista

File info

General information
Filename tunnel.sys
File extension SYS
Description Microsoft Tunnel Interface Driver
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Driver
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
tunnel.sys

There are various types of errors related to tunnel.sys file. tunnel.sys file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to tunnel.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

  • tunnel.sys is corrupted
  • tunnel.sys cannot be located
  • Runtime Error - tunnel.sys
  • tunnel.sys file error
  • tunnel.sys file cannot be loaded. Module was not found
  • cannot register tunnel.sys file:
  • tunnel.sys file could not be loaded
  • tunnel.sys file doesn't exist

tunnel.sys

Error

Application could not be started because tunnel.sys file is missing. Reinstall the application to solve the problem.

OK

Problems related to tunnel.sys can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing tunnel.sys file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

tunnel.sys file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with tunnel.sys file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to tunnel.sys file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of tunnel.sys or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to tunnel.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the tunnel.sys file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the tunnel.sys file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the tunnel.sys file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace tunnel.sys file

The last solution is to manually download and replace tunnel.sys file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded tunnel.sys file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of tunnel.sys file example directory paths.

  • Windows 10: C:\Windows\System32\drivers\
  • Windows 8.1: C:\Windows\System32\drivers\
  • Windows 8: 1: C:\Windows\System32\drivers\
  • Windows 7: C:\Windows\System32\drivers\
  • Windows Vista: C:\Windows\System32\drivers\

If the steps did not solve your tunnel.sys file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename tunnel.sys
System Windows 10
File size 129536 bytes
Date 2017-03-18
File details
MD5 30da64e14dc8c4695f21b3fad6b4ec2d
SHA1 f84519b39b655d9de20ce83b9e4add3172a4b157
SHA256 228579d26bd69af9ef44f89b5ae21d179132ee562fca86bdd2c0e458b082434d
CRC32 b2a45dfb
Example file location C:\Windows\System32\drivers\
Filename tunnel.sys
System Windows 8.1
File size 123392 bytes
Date 2013-08-22
File details
MD5 c9af1c4c24da2ff092b1a4548eec5acb
SHA1 1cc682430064e89f15764d41c250af24dba9bd10
SHA256 cd638fecb87aa8a6861ce248ebbd18ab42f2a71fb06446e28a7e9496968100de
CRC32 df083163
Example file location C:\Windows\System32\drivers\
Filename tunnel.sys
System Windows 8
File size 118784 bytes
Date 2012-07-26
File details
MD5 62ee13d4ee7db793c13f33f51a21170e
SHA1 51542cb102e9a8c04b993d922b5f72dd740abfe9
SHA256 7597353ff7e272a9a2ed6835f0e6c5980f19c2ab243c7aa34cda4d11b4307007
CRC32 3fe671b6
Example file location 1: C:\Windows\System32\drivers\
Filename tunnel.sys
System Windows 7
File size 125440 bytes
Date 2010-11-21
File details
MD5 3566a8daafa27af944f5d705eaa64894
SHA1 4555ef9c297336031835234f7e5c39b19955c53e
SHA256 ae9d8b648da08af667b9456c3fe315489859c157510a258559f18238f2cc92b8
CRC32 351ff9fc
Example file location C:\Windows\System32\drivers\
Filename tunnel.sys
System Windows Vista
File size 28160 bytes
Date 2008-01-21
File details
MD5 f6a4fba7c03ac2efd00f3301c0c1e067
SHA1 93556640ee110e3a0bbc6f7f55f003b4ff30caf0
SHA256 6c1a1620a244a3f0f25eabf40969c28fc1cfe98ce0ff330574de2ff2a797fe54
CRC32 2faee33c
Example file location C:\Windows\System32\drivers\