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EMD can’t write the config file
![EMDcannotwriteconfigfile](https://easymultidisplay.com/wp-content/uploads/2021/08/EMDcannotwriteconfigfile.jpg)
If EMD can't write the config file, it's very easy to fix:
Right click on the EasyMultiDisplay installation folder (C:\Program Files\EasyMultiDisplay) then click on "Property" then click on the "Security" tab.
![Screenshot 2021-08-29 175030](https://easymultidisplay.com/wp-content/uploads/2021/08/Screenshot-2021-08-29-175030.jpg)
Verify the writing rights of the users and modify them if necessary by clicking on "edit" then check the box "fullcontrol" and finally validate your modification by clicking on "Apply".
![Screenshot 2021-08-29 175337](https://easymultidisplay.com/wp-content/uploads/2021/08/Screenshot-2021-08-29-175337.jpg)
![EMDcanwriteconfigfile](https://easymultidisplay.com/wp-content/uploads/2021/08/EMDcanwriteconfigfile.jpg)