You're still not setting up the installer correctly.
1— The suffix of the texture folder needs to exactly match the extension of the text file; this means that you need to do away with the '.txt' extension. In Windows Explorer, hold down down alt and go to 'Tools', then 'Folder options...'; from there, switch to the 'View' tab and uncheck 'Hide extensions for known file types'
2— The value for the title in the Aircraft.cfg needs to be unique. 'Project Airbus A321-211 CFM' isn't a good title; 'Project Airbus A321-211 Air Mediterranee F-GYAZ SATV ANT2' is