2d rendering stutter

In any game that uses 2-dimensional rendering, (not necessarily a 2d-based game), I find that there is a consistent stutter happening approximately twice a second ONLY affecting the 2d part. Sometimes the stutter slows down the animation for a frame, and sometimes it jumps ahead a frame. Because of the forward-jumping, I suspect it is not a problem with my GPU being overloaded, but might have something to do with over/underclocking. I have tried resetting my graphics card, but nothing changed.

GPU: GeForce GTX 950

CPU: AMD FX(tm)-6300 Six-Core Processor 3.50 GHz

Installed RAM: 16GB

Monitor: 60Hz 1920x1080p

Use a tool like Display Driver Uninstaller.

Geforce Experience is known to sometimes mess up driver installation.

If that fails, then reset any overclocks you have, as @Frank said.