Make a copy of MarineAquarium3.scr to your desktop and rename it MarineAquarium3.exe. 'I think Edgar wants you to find MarineAquarium3.scr in your Windows/Systm32 folder'. In a follow-up post someone made the comment below: Enter a valid keycode and make sure it is not a pirated keycode. It should ask for the keycode because you have uninstalled it.Ħ. Now right click on the MarineAquarium3.exe that copied earlier and select 'Run as administrator'ĥ. Make a copy of MarineAquarium3.scr into another folder and rename it MarineAquarium3.exe.Ĥ. To those who are having problem of needing to reenter the keycode please try the following:ġ. Below is the text/instructions that Edgar posted in that thread: I have never tried the fix, so I can't verify if it works. Users should not have to go through these steps even if it does fix the issue. I just gave up and now have a MS word document with the keycode to copy and past it into MA3 when it disappears.Īnyway, Edger from Prolific posted what he thought was a way to fix the issue but never did any kind of follow-up with posters and it was never integrated into a newer version for download as was requested. Some were saying it happened after the Microsoft monthly updates and others like me have it happen randomly. A while ago (maybe a year or more) there was a thread that was getting a lot of replies from users who was having the same problem, including me.