listen=1
daemon=1
server=1
rpcuser=aeriumpc
rpcpassword=X
rpcallowip=127.0.0.1
rcpconnect=127.0.0.1
rpcport=44445
Half of these are redundant. You don't need the first two if you're running the wallet with the GUI, just keep "server=1". You don't need to specify rpcport unless you want to use something other than the default. And also I'm pretty sure you don't need rpcconnect.
I then started the respective wallets in server mode by going to "Start" -> "Run" -> "C:/Miner/{coinname}/{coinname}-qt.exe -server" and letting the wallets fully sync
Redundant stuff again. You've just selected the server mode in your conf file, and then you're repeating to your wallet to start in server mode. Just double-click on the .exe, no need to go to command line.
I tried creating a rule in Windows Firewall to open the TCP ports entered on the miner and wallet.
No need to do that, Windows firewall won't filter the "traffic" to localhost.
I also tried temporarily disabling the firewall on my router.
Definitely not needed if your wallet is syncing, that's the only internet activity happening.
There's a lot of stuff in your post so I can't pinpoint the problem instantly, there might be multiple things that you're doing wrong. I don't advise you to keep any suspicious exe files on your C drive in Windows OS (and cryptowallets are mighty suspicious), windows defender might block or delete it, sometimes without telling you (although you do get responses from the server with some of your miners).
Are you sure your username and password are correct? I did have it wrong a few times myself, try to keep them as short and simple as possible.