Gitlab Fix for "Access Denied" Error -- Windows

"Access denied" issues can be solved by removing your cached credentials. Basically, Git likes to save a copy of your username and password the first time you try to connect to a Git site, and if you change your password on Gitlab, you need to reset your stored credentials.
To remove them, you can follow the second response (with 240 upvotes) at https://stackoverflow.com/questions/15381198/remove-credentials-from-git

Once your credentials are cleared, you can try logging in again

User your Drexel abc123 username (no @drexel.edu) and Drexel password (as of SP 23).