I have tried all ther above plus different versions like .htaccess containing increase to memory while creating a brand new php.ini file with your one-liner code in it and placing it in WP-admin and then to public_html etc etc etc
Nothing corrects the error. I also renamed the plugins directory to see if this was the root cause of the memory overload, but nothing was corrected.
So I am still denied access to my site. Even trying mydomin.com/wp-admin/index.php does not work. I really am locked out.
Here is the error message:
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, firstname.lastname@example.org and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.
Can you help?