Why Mathematica cannot show the usage information normally?

Questions
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1

Today,when I load a package in my Mathematica 10.2 ChineseSimplified edition. The Mathematica cannot show the help information normally.
Then I also tested the built-in Plot[]

10402捕获.PNG
10402捕获.PNG699×556 31 KB

Is there a method to revise it?thanks a lot:)

2

I think this has been addressed in Mathematica 10.3. Until a localized version is released, try the following

  1. Disable the Suggestions bar

  2. Evaluate $UserBaseDirectory, close Mathematica and delete everything in Paclets in that location.

3

Dear Ilian Gachevski,

Thanks @Ilian Gachevski a lot for your solution and I will have a trial. I have asked my classmate to test this case in Mathematica 10.2.0 on his laplop , however, it works well on his PC.
ChineseSimplified edition
I unstalled the Mathematica 10.2.0 ChineseSimplified edition and then reinstalled it. Unfortunately, it still cannot show the information normally.