VirtualBox not starting due to Qt incompatibility

[Yochanan]

This has been gone over many, many times:

@philm

2022-03-14

Cannot mix incompatible Qt library (5.15.2) with this library (5.15.3)

• Check the mirror you use is up to date:

sudo pacman-mirrors -f 5 && sudo pacman -Syyu 

• If you use qt5-styleplugins (AUR), rebuild or remove it:

pamac build qt5-styleplugins