Yes , I could login to your front end and see the CSS fix required for the AUP profile application.
I updated it so you can redownload and reinstall it. (Mind your translations)
For the QRcode extension, yes, there is a setting to set it or not as 'Core application'
If this is what you meant.
- Need help? Post the URL of the related page (eventualy as confidential info), it will help solve your issue faster.
- An error, notice or warning? report the exact message including the line number
- If you get a white page , enable error reporting and / or check your server error logs.