TUNMP.SYS Troubleshoot and Download

Sometimes Windows system displays error messages regarding corrupted or missing TUNMP.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 TUNMP.SYS file can therefore effect in failed execution of the started process.

TUNMP.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 TUNMP.SYS related errors on your device. You can also download TUNMP.SYS file compatible with Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

Compatible with: Windows Vista, Windows XP

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download TUNMP.SYS

4.1 List of TUNMP.SYS file versions

File info

General information
Filename	TUNMP.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.)

Most common TUNMP.SYS file related problems

There are various types of errors related to TUNMP.SYS file. TUNMP.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 TUNMP.SYS file. If you encounter one listed below (or similar), please consider the following suggestions.

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

TUNMP.SYS

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

Problems related to TUNMP.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 TUNMP.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.

How to fix TUNMP.SYS errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

TUNMP.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

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with TUNMP.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.

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

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
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 TUNMP.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 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 TUNMP.SYS file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the TUNMP.SYS file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

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

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

If all the above-mentioned methods failed and the TUNMP.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 TUNMP.SYS file

The last solution is to manually download and replace TUNMP.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 TUNMP.SYS file.

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

Windows Vista: C:\Windows\System32\drivers\
Windows XP: C:\Windows\System32\drivers\

If the steps did not solve your TUNMP.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 TUNMP.SYS

System Windows Vista

File size 18432 bytes

Date 2008-01-21

Download

File details
	MD5	89ec74a9e602d16a75a4170511029b3c
	SHA1	84aef97c1fbb530154491afbe1432dd3f41e8d6a
	SHA256	aacd82a6f5fe31ff1315f5ca69e5eb6bd172dd86610f0641177ccc131b542034
	CRC32	3f26f512
	Example file location	C:\Windows\System32\drivers\

Filename TUNMP.SYS

System Windows XP

File size 12288 bytes

Date 2008-04-14

Download

File details
	MD5	8f861eda21c05857eb8197300a92501c
	SHA1	d76d04cdfe540e4521c63061cfef419f65e35b97
	SHA256	374ff9464f273610a051b9220c8d20f01fd4dd029095a7be37244e20c5c8b5bb
	CRC32	0226729f
	Example file location	C:\Windows\System32\drivers\