I cant open simulink, just show loading

Question

Amna Almarzooqi 2020-5-9

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/524273-i-cant-open-simulink-just-show-loading

评论： Thomas Landemaine 2022-9-6

I can't open simulink . I get the spinning wheel at my window but nothing happends (I have waited 30+min multiple times). Just 2 days ago everything worked perfect. I installed latest windows updates (R2020a) again but still it didn't work simulink.

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Navdeep Gavkar 2021-8-15

编辑：Navdeep Gavkar 2021-8-15

I am facing the same problem.I'm using R2020b.It's just showing 'Starting Simulink'.But nothing happens beyond that. Other MATLAB functions working properly.But only simulink is not opening. Please give Solution to this..

Longfrei Bai 2021-9-27

I have the same problem with R2021b. It happens when I install the R2021b and R2021a in two folders..

Now I have removed R2021a and used R2021b only. I have tried following:

Unistall (also including the appdata) and reinstall
reboot laptop
start via command: simulink
change default printer

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Answer 1

Remna Radhakrishnan 2021-11-29

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/524273-i-cant-open-simulink-just-show-loading#answer_843114

I had the similar issue with r2021b. The following steps I did to resolve the issue

Uninstalled r2021b
Re-installed the latest version of r2021b
Deleted C:\Users\%username%\AppData\Roaming\MathWorks\MATLAB\R2021b folder and created a new empty folder with the same name (R2021b) . If required, take the backup of existing R2021b folder as R2021b-backup
Repeat the same steps for the following folder - C:\Users\%username%\AppData\Local\MathWorks\MATLAB\R2021b
Start Matlab

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Thomas Landemaine 2022-9-6

I think this is what worked for me:

I had tried changing the default printer before (https://www.mathworks.com/matlabcentral/answers/385283-why-does-opening-simulink-for-the-first-time-in-a-matlab-session-take-a-long-time) but it did not help.

After implementing the steps above I was finally able to start simulink in Matlab 2021b [I had just reinstalled, I skipped steps 1. and 2.]

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