Recently, I installed EaseUS Partition manager, and ever since then, both resizing and dragging windows does not behave as it used to; I simply get a placeholder, and the window does not resize in real-time:

How can I fix this? Windows 8.1 x64.
Recently, I installed EaseUS Partition manager, and ever since then, both resizing and dragging windows does not behave as it used to; I simply get a placeholder, and the window does not resize in real-time:

How can I fix this? Windows 8.1 x64.
I found the answer on a forum here.