If you mean this: Streamable Video
Then it’s an old issue, the workaround is here: New launcher (1.0.51) causing stutter on Windows systems [SOLVED] - #49 by Dave_ZPCMR
If you mean this: Streamable Video
Then it’s an old issue, the workaround is here: New launcher (1.0.51) causing stutter on Windows systems [SOLVED] - #49 by Dave_ZPCMR