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How to eliminate ipnat driver problems

The ipnat.sys (IP Network Address Translator) file is a Windows driver. Generally, drivers are used by Windows to enable internal components like graphic cards and drives, or external devices, such as printers, backup media or input devices.
Click here to check if you need to update your ipnat driver.

The ipnat.sys process is also known as IP Network Address Translator and is a part of Microsoft Windows Operating System. This software is produced by Microsoft (www.microsoft.com). An obsolete or defective version of ipnat.sys can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about ipnat.sys IP Network Address Translator

ipnat.sys is part of Windows. Ipnat.sys is found in the C:\Windows\System32\drivers directory. Frequently occurring are file sizes such as 134,912 bytes (50% of all these files) or, as the case may be, 152,832 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories. It is part of the Windows operating system found in C:\Windows\. This process does not have a visible window, and does not appear on the taskbar. The file has been digitally signed by Microsoft itself to guarantee its authenticity. ipnat.sys appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files. For this reason, 1% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves ipnat.sys. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about ipnat?

ntbtlog.txt shows "Did not load driver"
Nothing other than it is the file mentioned when I get the blue screen
Jim Dise
blocking firewall configuration
samir hilary
is ip network address translator. used by windows firewall if installed on a server that does not have ISA etc installed its ok to stop and disable it
Sharique Ahmed
used for firewall and Rass service in sbs 2003
ntbtlog.txt shows "Can't load driver"...
I ran a search for the file after the error occured. I found a duplicate in a different folder as a result of a download. Remove it if it is in a folder other than C:\Windows\System32\drivers
Microsoft office.

Summary: 3 users judge ipnat.sys to be an essential file that should not be touched. One user considers it harmless. For this reason, one user has already deleted ipnat.sys. source: file.net

How to uninstall the program

ipnat.sys IP Network Address Translator fix

To remove IP Network Address Translator from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for the program in the list of available programs.
  5. Click Uninstall.

How to tell if ipnat.sys (IP Network Address Translator) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of IP Network Address Translator. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for IP Network Address Translator or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or ipnat.sys is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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