How to switch between host and guest OSes in virtual box
Solution 1:
This is caused by the fact that Virtualbox "captures" keystrokes for the guest OS. You can disable this momentarily by pressing the "Host" key, which normally is the right Ctrl button.
Try pressing the right Ctrl button and then Alt+Tab-ing, you should go back to the host OS.
Solution 2:
How to switch to host:
- Press and release the right Ctrl key;
- Press and hold Alt key;
- Press Tab key at least twice;
- Release Alt key.