Have to re-enter key after every computer startup.

[Greek2me]

Also, rightclick blockland.exe, and click properties. Go to permissions, and make sure it isnt read-only. Do the same for the blockland launcher.exe.

This does not matter, but the rest of your post about anti-virus stuff might help.

[Ad Bot]

[Zeblote]

You probably didn't click "allow everything" when your anti-virus asked what to do with blockland

[Paradon]

I'm using AVG.