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What does the CNMNSST.exe file do?

The CNMNSST.exe process is also known as Canon IJ Network Scanner Selector EX and is a part of Canon IJ Network Scanner Selector EX for Microsoft Windows. This software is produced by CANON INC (www.canon.com). An obsolete or defective version of CNMNSST.exe 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 CNMNSST.exe Canon IJ Network Scanner Selector EX

CNMNSST.exe is not part of Windows, but it is important nonetheless. CNMNSST.exe is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 452,016 bytes (23% of all these files), 453,736 bytes as well as 6 other variants.
This file contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. The original file has a digital certificate (see its file properties). The CNMNSST file is no part of Microsoft Windows. This CNMNSST program does not appear as a visible window, but only in Task Manager. When Windows starts, this process is automatically started at the same time (Registry: MACHINE\Run). For this reason, 39% 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 CNMNSST.exe. 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 CNMNSST?

The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.

Summary: source: file.net

How to uninstall Canon IJ Network Scanner Selector EX for Microsoft Windows

To remove Canon IJ Network Scanner Selector EX from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate Canon IJ Network Scanner Selector EX for Microsoft Windows in the list of displayed applications.
  5. Click the program, and then click Uninstall.
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CNMNSST.exe Canon IJ Network Scanner Selector EX fix

How to tell if CNMNSST.exe (Canon IJ Network Scanner Selector EX) 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 Canon IJ Network Scanner Selector EX. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Canon IJ Network Scanner Selector EX 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 CNMNSST.exe 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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