If you upgraded the XAMPP installation and then copied the data folder from older version to newer version then you may be getting the error :- “Connection for controluser as defined in your configuration failed.”
This is caused due to improper permissions for the controluser. The control user in generally “pma” (PhpMyAdmin) or root.
To resolve this issue:-
- Browse for the “mysql” database
- Browse for the “db” table
- You will find a record which has db value as “phpmyadmin” and user value as “pma“. Edit this record and grant all permissions to this user and save the record
Now you wont get the message “Error Connection for controluser as defined in your configuration failed” at the bottom.