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Error after installing MATLAB 2021a

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BHVAIN MEHTA
BHVAIN MEHTA 2021-7-6
评论： Eva Bracey 2023-8-16
Error using builtin
Can't find the resource file 'toolbox/matlab/graphics/hg/hgrc.m' needed by 'E:\bin\win64\hg.dll'
Error in matlab.graphics.internal.initialize (line 15)
suppressedOutput = evalc('builtin(''groot'');');
Error in matlab.internal.doc.services.getDocLanguageLocale (line 11)
sysLang = get(0, 'Language');
Error in matlab.internal.doc.csh.HelpTopicMap.accessDocLanguage (line 65)
docLang = matlab.internal.doc.services.getDocLanguageLocale;
Error in matlab.internal.doc.csh.findDocCatalogFiles>findFilesUnderRoot (line 18)
docLang = matlab.internal.doc.csh.HelpTopicMap.accessDocLanguage;
Error in matlab.internal.doc.csh.findDocCatalogFiles (line 2)
files = findFilesUnderRoot(docroot, catalogFolder, shortname);
Error in matlab.internal.doc.csh.HelpTopicMap/retrieveHelpTargets (line 128)
files = matlab.internal.doc.csh.findDocCatalogFiles("cshapi_helptarget", obj.shortname);
Error in matlab.internal.doc.csh.HelpTopicMap/mapSingleTopic (line 97)
retrieveHelpTargets(obj);
Error in matlab.internal.doc.csh.HelpTopicMap/mapTopic (line 27)
helpPath(i) = mapSingleTopic(obj, topicId(i));
Error in matlab.internal.doc.csh.mapTopic (line 5)
helpPath = helpTopicMap.mapTopic(topicId);
Error in matlab.internal.language.introspective.getExtendedErrorCallback (line 6)
path = matlab.internal.doc.csh.mapTopic(shortname, topicId);
Unrecognized function or variable 'matlab.internal.debugger.breakpoints.initBreakpointsStoreInstance'.

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回答（1 个）

Ramon Diaz
Ramon Diaz 2021-8-9
Same issue for me... solved by entering the following three commands into MATLAB, one after the other:
>> rehash toolboxcache
>> restoredefaultpath
>> savepath
(solution found from a similar issue addressed here:
https://www.mathworks.com/matlabcentral/answers/468644-can-t-find-the-resource-file-toolbox-local-simulinkrc-m)
I remember doing this when I upgraded from R2019 to R2020 as well.
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Eva Bracey
Eva Bracey 2023-8-16
Yes, also worked on r2022b. Thank you!

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