What does the cncmd.exe file do?
The cncmd.exe process is also known as Radeon Software: Command Line Interface or, as the case may be, Radeon Settings: Command Line Interface and is a part of Advanced Micro Devices or, as the case may be, Radeon Settings. This software is produced by Advanced Micro Devices (www.amd.com). An outdated or faulty version of cncmd.exe can cause problems for your computer, ranging from slowness to error messages like these:
- Radeon Software has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Radeon Software has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- cncmd.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module cncmd.exe. Read of address 00000000.
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What you should know about cncmd.exe Radeon Software
cncmd.exe is not part of Windows, but it is important nonetheless. The file cncmd.exe is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 55,288 bytes (12% of all these files), 62,752 bytes as well as 14 other variants.
It was developed by a so-called third party provider - and not by Microsoft. It has a digital signature. This confirms that the producer has been registered with a certificate authority. You can find the file or its related application in Control Panel under Programs. You can then rerun the setup or uninstall the program. This cncmd.exe process does not have a visible window, and does not appear on the taskbar.
Cncmd.exe is capable of monitor other applications.
For this reason, 21% 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 cncmd.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 cncmd?
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 Advanced Micro Devices or Radeon Settings
To remove Radeon Software from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate Advanced Micro Devices or Radeon Settings in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if cncmd.exe (Radeon Software) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of Radeon Software. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Radeon Software or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or cncmd.exe is causing problems, a good Windows diagnostic tool may 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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