Today I tried to install latest version on wordpress and come across an issue when i try to change the Premalinks in Dashboard.
Error was: 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

To fix this issue I google it and luckily find the solution:

IF YOU DO NOT HAVE an .htaccess in your wp-admin/ directory:

create a text file on your desktop:

put the following inside it:

<IfModule mod_security.c>
SecFilterInheritance Off
</IfModule>

save the file. name it whatever you want

Upload the file to your wp-admin directory.

Rename the uploaded file to .htaccess (with the .)

IF YOU DO HAVE an .htaccess in your wp-admin/ directory:

Edit it, and add the following:

<IfModule mod_security.c>
SecFilterInheritance Off
</IfModule>

save the new .htaccess

reference

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