The default animations in Windows can interfere with screenshot verification points because it is not possible to capture the screen exactly at the same point in the animation every time. The result are typically larger amounts of pixel differences that cause screenshot verification points to fail.
To avoid this one can disable animations in Windows:
Step 1 - Open
Ease of Access Center by pressing the key combination
Step 2 - Select
Make the computer easier to see.
Step 3 - Check
Turn off all unnecessary animations (when possible).