startup errors in R2020b

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David Mellinger
David Mellinger on 13 Oct 2020
Commented: Matthew Hopcroft on 22 Dec 2021
I just installed R2020b using a site license from my university; previously I had a standalone license. When I start it up, I get a slew of errors:
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\toolbox\shared\matlab_datatypes
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\toolbox\matlab\codeanalysis\analysis
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\toolbox\simulink\sldependency
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\toolbox\matlab\connector2\academy
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\examples\comm
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\examples\ident
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\examples\phased
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\examples\predmaint
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\examples\wavelet\helper
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\toolbox\gpucoder\gpucoder\checkgpuenv
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\toolbox\shared\dlcoder_base\dlcoder_base\dlcodermex
Warning: Name is nonexistent or not a directory: C:\Program Files\MATLAB\R2020b\toolbox\targetdefinition\targetsdk\targetpackage
Unrecognized function or variable 'matlab.internal.editor.EvaluationOutputsService.prewarmExecution'.
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This is under Win10 Enterprise. My ver output is this:
-----------------------------------------------------------------------------------------------------
MATLAB Version: 9.9.0.1467703 (R2020b)
MATLAB License Number: <removed>
Operating System: Microsoft Windows 10 Enterprise Version 10.0 (Build 19041)
Java Version: Java 1.8.0_202-b08 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
-----------------------------------------------------------------------------------------------------
MATLAB Version 9.9 (R2020b)
Deep Learning Toolbox Version 14.1 (R2020b)
Optimization Toolbox Version 9.0 (R2020b)
Signal Processing Toolbox Version 8.5 (R2020b)
Wavelet Toolbox Version 5.5 (R2020b)
Do I need to worry about these messages? Also, I think I asked for more toolboxes/products when I did the installation, including at least the mapping toolbox, MATLAB Compiler, and maybe MATLAB Coder. The toolboxes shown above are the ones I had in my standalone installation of R2019b. Any suggestions? Thanks.

Answers (1)

Abhisek Pradhan
Abhisek Pradhan on 18 Oct 2020
Try deleting the MATLAB shortcut and launch Matlab.exe and see if it works.

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