[[https://www.wintips.org/fix-mouse-moves-but-cannot-click-solved/|FIX: Mouse Moves but Cannot Click (Solved)]] Able to reproduce [[https://www.virtualbox.org/ticket/14743|X11 guests: Invisible drag-and-drop window blocks mouse interaction]] [[https://windowsreport.com/left-mouse-drag-windows-10/Left mouse button drag doesn’t work on Windows 10 [SIMPLE FIXES]]] I think USB Tablet witn win 10 shall be a good idea. Also XFCE. Legacy BIOS no UEFI. [[https://forums.virtualbox.org/viewtopic.php?f=3&t=90267|Investigating problems with mouse input in VirtualBox]] Nothing here. [[https://www.virtualbox.org/manual/ch12.html|Chapter 12. Troubleshooting]] **This is the issue. Mouse cursor moves. No clicks work. Keyboard works.** [[https://forums.virtualbox.org/viewtopic.php?f=3&t=100728|Mouse clicks stopped working in guest]] KDE Plasma seems to be the suspect for us. [[https://www.reddit.com/r/kde/comments/8ufi39/cant_click_anything_in_vbox_guest/|Can't click anything in VBox guest? :( ]] Last points are KDE related. [[https://forums.freebsd.org/threads/solved-vboxmouse-in-xorg-no-click.45248/| [SOLVED] vboxmouse in Xorg no click]] Kde vs LTS kernel [[https://www.reddit.com/r/kde/comments/8ufi39/cant_click_anything_in_vbox_guest/|Can't click anything in VBox guest? :( ]] Some say PS/2 Mouse. Some say usb tablet. Maybe we should try Windows 10 and check HPLC 12 settings. [[https://www.quora.com/Why-can-I-move-my-mouse-but-cannot-click-in-a-VirtualBox-with-Ubuntu|Why can I move my mouse but cannot click in a VirtualBox with Ubuntu? ]] Avoid heavy desktops and press esc. legacy BIOS no UEFI. Suggestion to avoid issues. [[https://ubuntuforums.org/showthread.php?t=2395969|VirtualBox problems (mouse clicks stop working sometimes), considering alternative]] [[https://forums.virtualbox.org/viewtopic.php?f=3&t=90267|Mouse stuck in Virtual Machine]]