Help window doesn't appear

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Dennis Weimer
Dennis Weimer 2019-5-15
编辑： jmmelkon 2021-10-11
Hi,
when I try to open the Help Browser in MATLAB, the window does not show any content. I deinstalled MATLAB and installed it again, but the help window is still empty. I am using MATLAB R2019a Update 1.
Please help me to get help.
Best Regards
Dennis
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采纳的回答

Jan
Jan 2019-5-15
This is a problem in the preferences folder. See https://www.mathworks.com/matlabcentral/answers/453269-create-a-backup-of-your-preferences-folder
So restoring the preferences files from the backup would solve the problem.
There is a direct solution also: Right click on the invisible Help window in the state you have recorded the screenshot in. Then choose "Maximize" and the window whould be re-appear again.

更多回答（1 个）

jmmelkon
jmmelkon 2021-10-11
编辑：jmmelkon 2021-10-11
More specifically, the problem lies in the following file:
%userprofile%\AppData\Roaming\MathWorks\MATLAB\R2019a\MATLABDesktop.xml
I suggest deleting the XML <group>....</group> tag with property Title="Help"
Be sure to englobe the closing tag or else you will corrupt the file. At home this tag spans 38 lines.
Matlab will regenerate this tag with the default properties.

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