Ok, help

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clearly a troll.

take a screenshot?

It would be nice to have more details, but I think I may have experienced a similar problem. Are you running an outdated version of Java? If so, install the most recent version. If that doesn't work, maybe try lowering your render distance in-game and adjust the video settings.

bluedude6709How do I stop this glitching?
The blocks go back and forth.

Don't be so vague. Give us more detail.

Very little info

You need to explain.
What blocks? Like, a mod, resource pack, what?

wat

Well, it looks like it is glitching from regular to the one I created. How do I fix.

How do I get more detail?
The posts keep not givin enough information.