Thanks for the reply. Attached you'll find 2 images. One from screenshotcaptor. The other from snipping tool. You can see that around the screenshotcaptor image, there is a border of the underlaying screen.
When I try to capture a windows object (fe form), the red rectangle around the object is bigger than the actual object. The resulting capture also. Other screen captoring tools do not have this problem (fe Snipping tool). To be able to use screenshot captor, I now take the screenshot in Snipping Tool and save the file. I then open it in Screenshot Captor to edit. I am using Windows 10