Use process explorer to view unknown program Origins

Open your computer today and an advertisement window pops up in the lower right corner of the screen, for example:

Which program does this carry?

We use process explorer to see where it came from:

Open Process Explorer

Press the left mouse button on "find Windows's process (drag over window)". Do not release the mouse and move it to an unknown window, for example:

After the mouse moves up, the window will display a red border. Then, release the mouse and the process in process Explorer will be highlighted in blue:

We can view its attributes or end it.

The window disappears.

Use process explorer to view unknown program Origins