Matlab 2020b throws multiple errors when opening

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Stefan Walshe 2021-2-10

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/741252-matlab-2020b-throws-multiple-errors-when-opening

编辑： Stefan Walshe 2021-2-10

Hi,

When I open Matlab 2020b [Windows 10] I get multiple errors and warnings thrown which seem to be due to internal functions in Matlab.

Any help would be much appriciated. The only change that I made was installing a new toolbox (previously used it on 2018b without issues).

There are both pop-ups:

As well as errors in the command window:

Warning: Name is nonexistent or not a directory: C:\Users\U324273\AppData\Local\Temp\Editor_gdujo 
Warning: Executing startup failed in matlabrc.
This indicates a potentially serious problem in your MATLAB setup, which should be resolved as soon as possible.  Error detected was:
MATLAB:undefinedVarOrClass
Unable to resolve the name coder.internal.runs_in_matlab. 
Warning: Failed to register requirement link type "linktype_rmi_text".
Error message: Undefined function 'eml_invariant' for input arguments of type 'char'. 
Warning: Failed to register requirement link type "linktype_rmi_html".
Error message: Undefined function 'eml_invariant' for input arguments of type 'char'. 
Warning: Failed to register requirement link type "linktype_rmi_matlab".
Error message: Undefined function 'eml_invariant' for input arguments of type 'char'. 
Warning: Failed to register requirement link type "linktype_rmi_data".
Error message: Undefined function 'eml_invariant' for input arguments of type 'char'. 
Warning: Failed to register requirement link type "linktype_rmi_slreq".
Error message: Undefined function 'eml_invariant' for input arguments of type 'char'. 
Undefined function 'eml_invariant' for input arguments of type 'char'.
Error in ispc (line 10)
eml_invariant(strcmp(coder.target,'sfun') || ...
Error in rmi.initialize
Error in rmi (line 284)
        rmi.initialize();
Error in rmi.linktype_mgr