matlab2019b can not open simulink after update 4

I update my matlab 2019b to update 4 using matlab built-in update tool,then i can not open simulink.The error is as follows:

Answer 1

[Sai Bhargav Avula]

Hi,

This issue is currently under investigation by MathWorks. A detailed explanatation the possible workarounds are given below.

https://www.mathworks.com/matlabcentral/answers/504980-why-do-i-get-a-bundle-error-message-after-updating-matlab

If the error persists, please contact Technical Support:

https://www.mathworks.com/support/contact_us.html

Hope this helps!