Diễn đàn hỗ trợ Firefox

When accessing Outlook (https://outlook.office.com) using Firefox ESR version 128.9.0 and attempting to download a file attached to an email, the string 'UTF-8' is automatically inserted at the beginning of the file name, which is causing issues. This phenomenon does not occur with other browsers such as Edge or Chrome.

Is there a way to solve this problem?

When I was previously using Firefox in Kubuntu 22.04, if I downloaded something I could go to the Downloads icon and click on the download and it would open in the desired application. After a failed upgrade to 24.04 I had to do a reinstall and now in Kubuntu 24.04, if I click on a downloaded file it will always bring up a window with "Open the file link with okular?" and the buttons Cancel and Open Link below. How do I go back to the previous way of it working?

Hello,

I'm using Firefox on Manjaro. Usually I'm using dolphin but I've installed nemo too for having a second option if dolphin doesn't work. But after installing nemo the file management software when opening the folder where the file downloaded switched to dolphin. Where can I change it back to dolphin?

Firefox Version: 135.0 (64-Bit)

System Information: Operating System: Manjaro Linux KDE Plasma Version: 6.2.5 KDE Frameworks Version: 6.10.0 Qt Version: 6.8.1 Kernel Version: 6.12.11-1-MANJARO (64-bit) Graphics Platform: X11