For example, a process like quake2.exe should run from C:\Program Files\steam\steamapps\common\quake 2\quake2.exe and not elsewhere. The first thing that will help you determine if a particular file is a legitimate Windows process or a virus, is the location of the executable itself. Is quake2.exe safe, or is it a virus or malware? (optional offer for Reimage - Website | EULA | Privacy Policy | Uninstall) Recommended: Identify quake2.exe related errors Please read the following to decide for yourself whether the quake2.exe file on your computer is a virus or trojan horse that you should delete, or whether it is a valid Windows operating system file or a reliable application. In some cases, executable files can damage your computer. exe extension of a file name displays an executable file. The software is usually about 762.4 MB in size. Quake2.exe is an executable file that is part of the Quake II: Ground Zero program developed by id Software.