Could not access the MCR component cache Error

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Aarshabh
Aarshabh on 27 Mar 2012
Commented: Jed on 22 Jun 2021
Im getting an error where the command window closes immediately after I click on an executable file developed using Matlab. The error message reads "Could not access the MCR component cache". I am using a pre-packaged executable and MCR on 64bit Windows (the MCR version is correct). The executable was working fine but suddenly stopped working yesterday after I closed-restarted it a few times. I reinstalled the MCR but it gives me the same error.
I am a novice in Matlab so any ideas are much appreciated.
  1 Comment
Jed
Jed on 22 Jun 2021
This can occur if you fill up the disk that contains your mcrCache.

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Accepted Answer

Kaustubha Govind
Kaustubha Govind on 27 Mar 2012
Not sure, but could it be that the extracted CTF archive somehow got corrupted? I think it is usually extracted to C:\user_name\AppData\Local\Temp\userid\mcrCachen.nn (where the 'n' stands for a number). If you can find the file, perhaps you can delete it and run your executable again to see if it is regenerated. If you can't find it, you could try deleting the files in your Temp folder (usually C:\user_name\AppData\Local\Temp\) and try again.
  5 Comments
Dr. Seis
Dr. Seis on 15 Jun 2013
I am running Matlab on a Linux workstation. These .mcrCache* were directories that were located inside my "home" directory (e.g., /home/{user name}) instead of my Matlab working directory (e.g., /home/{user name}/Matlab).
Once I deleted all the directories, the problem was resolved.

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