Strange story: pretty urls is not a module. And pretty urls don't affect the back office. Anyway:
First: delete .htaccess.
Next: enable debug mode.
Strange story: pretty urls is not a module. And pretty urls don't affect the back office. Anyway:
First: delete .htaccess.
Next: enable debug mode.
Strange story: pretty urls is not a module. And pretty urls don't affect the back office. Anyway:
First: delete .htaccess.
Next: enable debug mode. If you cannot access the backoffice you can use Prestools.