don't hijack other peoples threat, however you can see the ban reason here: https://pokemonrevolution.net/Account.php and appeal for it here: https://pokemonrevolution.net/forum/viewforum.php?f=32
i guess it's 64-bit.
if so, download the 32 bit and try to do it with that.
Windows 10 also has many problems with PRO. I recommend to follow up this guide https://pokemonrevolution.net/forum/viewtopic.php?f=16&t=14738 if the 32 bit doesn't work.
Allessio is right, it should move back to the former ability if you heal it in the Pokemoncenter.
We can't refund your Alakazam, since you deleted it and therefor it will be deleted from the database. No way to respawn it.