A guide to uninstall GNS3 from your PC

GNS3 is a computer program. This page is comprised of details on how to uninstall it from your computer. It was developed for Windows by GNS3 Technology Inc.. You can read more on GNS3 Technology Inc. or check for application updates here. More information about GNS3 can be seen at . GNS3 is usually installed in the C:\Program Files\GNS3 directory, subject to the user's option. The full command line for uninstalling GNS3 is C:\Program Files\GNS3\Uninstall.exe. Note that if you will type this command in Start / Run Note you might be prompted for administrator rights. GNS3's main file takes around 381.00 KB (390144 bytes) and its name is gns3.exe.

The executables below are part of GNS3. They take about 20.58 MB (21577050 bytes) on disk.

  • cat.exe (36.01 KB)
  • devcon.exe (81.00 KB)
  • gawk.exe (156.50 KB)
  • gns3.exe (381.00 KB)
  • gns3server.exe (381.50 KB)
  • gns3vmnet.exe (381.50 KB)
  • putty.exe (536.00 KB)
  • putty_standalone.exe (540.00 KB)
  • strings.exe (687.53 KB)
  • tail.exe (40.51 KB)
  • tvnviewer.exe (1.13 MB)
  • ubridge.exe (253.49 KB)
  • Uninstall.exe (483.29 KB)
  • cpulimit.exe (81.88 KB)
  • dynamips.exe (1.30 MB)
  • nvram_export.exe (72.30 KB)
  • qemu-img.exe (249.00 KB)
  • qemu-io.exe (259.00 KB)
  • qemu.exe (2.04 MB)
  • qemu-img.exe (898.46 KB)
  • qemu-io.exe (877.46 KB)
  • qemu-system-i386w.exe (4.77 MB)
  • qemu-system-x86_64w.exe (4.82 MB)
  • ubridge.exe (138.58 KB)
  • vpcs.exe (136.00 KB) to view all...

The information on this page is only about version 2.1.17 of GNS3. For other GNS3 versions please click below: to view all...
When you're planning to uninstall GNS3 you should check if the following data is left behind on your PC.

Generally the following registry data will not be removed:
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\GNS3

A way to remove GNS3 from your computer with the help of Advanced Uninstaller PRO

GNS3 is an application by GNS3 Technology Inc.. Some users decide to uninstall it. This can be difficult because doing this by hand requires some know-how related to removing Windows applications by hand. The best QUICK procedure to uninstall GNS3 is to use Advanced Uninstaller PRO. Here are some detailed instructions about how to do this:

1. If you don't have Advanced Uninstaller PRO on your Windows PC, install it. This is a good step because Advanced Uninstaller PRO is the best uninstaller and all around tool to clean your Windows system.


  • navigate to Download Link
  • download the program by pressing the DOWNLOAD NOW button
  • install Advanced Uninstaller PRO
2. Start Advanced Uninstaller PRO. Take your time to admire Advanced Uninstaller PRO's interface and wealth of tools available. Advanced Uninstaller PRO is a very good Windows tool.

3. Click on the General Tools button
Go to General Tools

4. Click on the Uninstall Programs feature
Go to Uninstall Programs

5. A list of the applications installed on your PC will be shown to you

6. Navigate the list of applications until you find GNS3 or simply click the Search feature and type in "GNS3". If it exists on your system the GNS3 program will be found very quickly. When you select GNS3 in the list of apps, some data about the application is made available to you:

  • Safety rating (in the left lower corner). This tells you the opinion other users have about GNS3, from "Highly recommended" to "Very dangerous".
  • Opinions by other users - Click on the Read reviews button.
  • Technical information about the application you wish to remove, by pressing the Properties button.
For example you can see that for GNS3:

  • The web site of the application is:
  • The uninstall string is: C:\Program Files\GNS3\Uninstall.exe
7. Click the Uninstall button. A confirmation dialog will appear. accept the removal by clicking Uninstall. Advanced Uninstaller PRO will remove GNS3.
Uninstall GNS3

8. After removing GNS3, Advanced Uninstaller PRO will offer to run an additional cleanup. Click Next to perform the cleanup. All the items that belong GNS3 that have been left behind will be detected and you will be able to delete them. By removing GNS3 with Advanced Uninstaller PRO, you can be sure that no Windows registry items, files or directories are left behind on your disk.

Your Windows system will remain clean, speedy and able to serve you properly.


This page is not a recommendation to remove GNS3 by GNS3 Technology Inc. from your PC, nor are we saying that GNS3 by GNS3 Technology Inc. is not a good software application. This page simply contains detailed instructions on how to remove GNS3 in case you want to. Here you can find registry and disk entries that Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' computers.

2019-05-21 / Written by Dan Armano for Advanced Uninstaller PRO

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Last update on: 2019-05-21 16:26:41.880