There is an icon for this program on the taskbar next to the clock. The GWX.exe file is a Windows core system file. The program has a visible window. There is no information about the author of the file. It is a Microsoft signed file. Therefore the technical security rating is 0% dangerous.ecommended: Identify GWX.exe related errors. Important: Some malware camouflages itself as GWX.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the GWX.exe process on your PC to see if it is a threat.