open a cmd windows, and type the following commands:
set Path="C:\Program Files\Oracle\VirtualBox";%Path%
vboxmanage modifymedium disk abb.vdi --resize 131072
for %x in (Snapshots*.vdi) do vboxmanage modifymedium disk "%x" --resize 131072
open a cmd windows, and type the following commands:
set Path="C:\Program Files\Oracle\VirtualBox";%Path%
vboxmanage modifymedium disk abb.vdi --resize 131072
for %x in (Snapshots*.vdi) do vboxmanage modifymedium disk "%x" --resize 131072