How to find source process of unknown popup in Windows 7 [duplicate]

security windows process window

You can identify the application by getting Process Explorer tool from Microsoft SysInternals.

At the toolbar, locate and use the following tool:

enter image description here

If you drag & drop it over unknown window, its process will become highlighted in the list.

What you can do then is to right-click that process and select Check VirusTotal to see whether the image is valid and well-known.

You can also double-click the process to learn about its EXE path, parent process or company who created it.

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