ks4.021.3.10.391 Free.exe is part of a product called known as Kaspersky Security Cloud and the developer is Kaspersky .
If you think that this file contains a virus or another malware, please download a virus scanner.
If ks4.021.3.10.391 Free.exe is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select Kaspersky Security Cloud from the list to remove the process ks4.021.3.10.391 Free.exe from your computer.
If you have any problems with ks4.021.3.10.391 Free.exe, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting Kaspersky, the developer of ks4.021.3.10.391 Free.exe and ask for more information.