SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** STEPS TO REPRODUCE 1. I pressed ctrl + E to open Dolphin 2. I scrolled and browser my file 3. it become really slow OBSERVED RESULT I have other internal ntfs that belongs to Windows and it loads normally. But, I have an external drive with ntfs partition and it is really slow to load EXPECTED RESULT It suppose to load faster because when I opened it with other file manager (Nautilus/Thunar) it works fine. So, it is dolphin's problem SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: KDE Neon User Edition 5.23 (available in About System) KDE Plasma Version: 5.23.4 KDE Frameworks Version: 5.89 Qt Version: 5.15.3 ADDITIONAL INFORMATION I know there is a bug ID 362890. But, it is strictly from external drive and that old one have been closed already.