ive been on archmc for about 5 weeks now and out of nowhere, my password (the one u gotta use to log in) has randomly stopped working, and I'm not sure why.

if you have any tips on how I could perhaps, change, reset the password i'd be very glad  !!

Make the ticket here.
 

https://www.arch.mc/support/tickets

are you sure that you're not using the wrong account?