100% CPU usage on Windows 7 for R2022a

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Santino M
Santino M 2022-7-5
评论： Santino M 2022-7-11
I have a MATLAB R2022a version installed in Windows 7 64-bit Operating system. It has a network licence activated on a local network (not connected to the internet).
When I start the Matlab and click in “Help Documentation” the CPU usage becomes 100% and the Matlab freezes. I am unable to do anything more. My system has 8 GB RAM running on an Intel ® Core™2 Quad CPU Q9650 @3 GHz processor
Following previous suggestions on Matlab Answers I have allowed Matlab R2022a to be “Allowed” through the Windows Firewall.
This decreased CPU usage marginally, but it reverts back to 100% usage on something simple like clicking on help Documentation.
I have not even loaded any data or programs so far.
How to run Matlab R2022a in my PC in a normal way without the software consuming too much resources like this?
  2 个评论
Walter Roberson
Walter Roberson 2022-7-5
Experiment with
com.mathworks.mlwidgets.html.HtmlComponentFactory.setDefaultType('HTMLRENDERER');
which should change how the documentation is rendered.
Santino M
Santino M 2022-7-5
com.mathworks.mlwidgets.html.HtmlComponentFactory.setDefaultType('HTMLRENDERER');
This is not having any effect on the problem.
Is Matlab R2022a compatible with older generation CPU's or is there a bug which can be fixed?
My PC can run RAM intensive and CPU intensive applications like rendering from a video creation software, but even basic run of Matlab command prompt takes up 100% of CPU and I have to force shut down Matlab through the task manager.

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回答（1 个）

Steven Lord
Steven Lord 2022-7-5
The System Requirements page lists the supported Windows operating systems for release R2022a as Windows 11, Windows 10 (version 1909 and higher), and Windows Server 2019. Windows 7 and Windows Server 2016 are explicitly listed as no longer supported.
In addition, Microsoft ended support for Windows 7 in January 2020. Their recommendation is to update to Windows 11.
  2 个评论
Walter Roberson
Walter Roberson 2022-7-5
I happened to notice yesterday that Windows 11 not only requires TPM2.0, but also requires 7th generation Intel or later.
Santino M
Santino M 2022-7-11
@Steven Lord and @Walter Roberson
Thanks for the response.
If there is anyway in which I can run Matlab 2022a on Windows 7 PC kindly let me know in this thread. I am not keen to upgrade to Windows 10 as my PC (CPU) is old.

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