How-to rebuild game. 

Link to game image.: GAME_IMAGE Download file to your downloads folder.
you also need a small utility program to "burn" the ISO file to a USB stick.

STEP 1:
you can get it here: https://rufus.ie/en/ 
Scroll down on that page until you see this:
Click on link: Rufus 3.14 - > download to your machine. (there is no install it can run by it self)
(version 3.15 is the latest one, and you can download that version. There are now change in the how-to)

Open file explorer and navigate to Download folder:
Double click the rufus-3.14.exe file. (or the rufus-3.15.exe)

You will now see a warning message.:

Press "Yes"


After that you will see this on your screen.:
Insert one of the empty / new USB sticks


Click on "SELECT"

Navigate to your downloads folder and select pbalien22-img.iso and the click "Open"

Click "START"


Click "OK"


Click "Yes"


Click "OK" (this is the last chance to make sure you have the right USB stick connected)

When progressbar shows "READY" press CLOSE.
Eject the USB stick.

STEP 2:

Power off pinball machine.
insert newly created usb stick into one of the usb connectors on top of screen.
Power on machine.

you will see this screen.:

After about 40 sec you will see to ERROR messages (Do not worry, it will move forward in about 20~30 seconds)
This process will take about 5~6 minutes to complete.

When done you will see this on your screen.: 

STEP 3:
power off machine -> wait 10 sec. -> power on.

That's it!
(If you don't see this message, please contact support)


WARNING!!! DO NOT LEAVE THE USB STICK IN YOUR PC/MAC IT WILL OVERWRITE YOUR MACHINE! (on next power up)