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Error writing name_file.m. Access denied.

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michele paoletti
michele paoletti 2019-2-15
评论： johnny ramone 2023-6-30
Hi everyone, I have a sudden problem when I try to save or run the file. The error window say "Error writing name_file.m. Access denied". It's really strange because it has always worked well. I tryed to:
  • Change path location
  • Open Matlab as administrator
  • Change Matlab version from 2016 to 2018
  • Change Matlab file
But i have always the same problem. I can not understand what the problem could be. This is the screenshot:
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Mehul Mulay
Mehul Mulay 2021-9-27
Hi!
I have faced a similar problem on MacOS.
Please let me know the solution..
Andy Mendez Cuello
Andy Mendez Cuello 2022-9-15
Hi.
I have a Windows 10 Pro, I had the same problem and in the end it was for safety issues for applications control, I gave him to allow change in Matlab and I stopped giving me that mistake.
Greetings.

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采纳的回答

michele paoletti
michele paoletti 2019-2-18
编辑：michele paoletti 2019-2-18
I solved the problem installing Matlab R2018b and going in C:\Program Files\MATLAB\ , add privileges access to the group called packet application:
But using Matlab R2016b the problem remain. I use now the new version to avoid this problem.
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karthikeya anil kumar
karthikeya anil kumar 2019-3-9
yeah, thats the correct way of solving error, or even some times we need to change the secutity settings of a entire drive or for folders in which you are trying to save the (.m) MATLAB FILE.Capture.PNG

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更多回答（3 个）

Supratim Shit
Supratim Shit 2019-5-9
You are facing this issue becasue of a feature called controlled folder access in Windows 10. It helps you protect valuable data from malicious apps and threats, such as ransomware.
You need to go to Settings > Update & Security > Windows Security > Virus and Threat protection > Manage Ransomware Protection > Allow an app through controlled folder access > Add your application
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Kevin Tapia Pantoja
Kevin Tapia Pantoja 2022-8-4
This is the right answer, I was working well until I activated the Ransomware protection but I just didn't allow Matlab. Thank you
johnny ramone
johnny ramone 2023-6-30
After almost a year sundelly the Ransomware protection blocked matlab, just go to recently block app and allow it. Thank you <3

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Pruthvi Muppavarapu
Disabling the anti-virus might help resolve the issue.
If you are using Windows Defender; an exclusion may need to be made for MATLAB. This can be done in Windows 10 by following the steps mentioned in the link:
https://support.microsoft.com/en-us/help/4028485/windows-10-add-an-exclusion-to-windows-security
Pratibha Dimri
Pratibha Dimri 2021-5-24
what worked for me was :
first go to search bar on windows-type matlab-run as admin

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