misterious gray box occurs when an object is moved

As you loock above gif file, I have trouble when moving an object.

When I drag, hold and move an object(or objects), the gray box occurs constantly!

It is very annoying and I have suffered from this error.

Who knows how to fix this hell error?

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Community Expert

Does it also happen with CPU preview? Try Ctrl E to switch or click the Rocket in the menu bar.

If it fixes the problem, you may need to update your video card driver.

Participant

It seemed your solution works! brilliant!

Thanks for your reply.

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