cli.exe is a legitimate file, which is installed on your computer as a part of ATI graphics card drivers. Once executed, it starts a program, which displays an icon in the system tray. Using this icon, you can access video settings without spending too much time on waiting. Most of PC users do not configure graphics cards every day, so it recommended to disable cli.exe after rebooting computer. Otherwise, you may notice system slow downs and similar issues. However, you should never delete cli.exe file because it is required by graphics card to work properly. To sum up, cli.exe is an important system component that should be left untouched or uninstalled along with the drivers.
Any virus can be named anything, so beware that cli.exe can also be involved into dirty business. If you found this file in the C:\Windows or C:\Windows\System32 folder, there is a high risk that it's a malicious file, which belongs to hackers. If you have any suspicion that cli.exe is infected, you should check it with reputable security tool because it might be that hackers used the name of this file in order to hide their own virus. In order to check the trustworthiness of cli.exe, we recommend using RegCure Pro.