On some systems, the "Drag & Drop window" that opens may have a flickering scrollbar on the right-hand side:

This flicker does not impair the operation of the window in any way. However, if you would like to make the display more visually appealing, it is easy to eliminate that annoying flicker once and for all:

Double-click the "Drop SiMPLE Listing Here" icon. When the black window opens, single-click its upper-left corner and select "Properties": When the dialog box appears, select the "Layout" tab, and set both "Height" values to "25":* *(If both Height values are already set to "25", change them briefly to anything else... and then change them back to "25" again.) Click the "OK" button. When the "Apply Properties" box appears, select the second option: