New instance of matlab opening every time I double click a matlab file

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Luca Amerio 2018-1-12

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https://ww2.mathworks.cn/matlabcentral/answers/376840-new-instance-of-matlab-opening-every-time-i-double-click-a-matlab-file

编辑： Rina Blomberg 2019-9-24

Hi Every time i double click a matlab file (*.m, *.mat or *.fig) in an explorer windows, a new MATLAB instance starts, even if another one is already opened.

I read the answer here.

The matlabroot folder, however, is on a shared network drive for which I don't have administrator right (and I cannot ask for them).

To solve the issue I looked at the answer here.

I copied the pathdef.m file in my userpath folder. However the issue is still present. How can I solve it?

I'm using MATLAB 2015b

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Stephen23 2018-1-12

+1 for a clearly asked question. Compact, but includes relevant info and links.

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采纳的回答

Harish Ramachandran 2018-2-1

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https://ww2.mathworks.cn/matlabcentral/answers/376840-new-instance-of-matlab-opening-every-time-i-double-click-a-matlab-file#answer_302943

编辑：Harish Ramachandran 2018-2-1

Hi Luca. Did you try the second part of the solution provided in the link ?

Please run the file exchange code and restart MATLAB.

https://www.mathworks.com/matlabcentral/fileexchange/51165-matlab-file-association-fix

This page explains how to re-register the .MAT extension, but you can follow the same instructions for other file types.

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Luca Amerio 2018-2-1

Accepted your answer

Rina Blomberg 2019-9-24

编辑：Rina Blomberg 2019-9-24

The link to "Azad" is incorrect. Azad's solution works!! Correct link to this comment: https://se.mathworks.com/matlabcentral/answers/93468-why-is-a-new-instance-of-matlab-opened-when-i-double-click-on-a-matlab-file-in-windows-explorer-even#answer_301876

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