QLC applications run on specific network ports to keep standard web traffic separate. If you just type the IP address without the port, the login page won't load.
Open an Incognito / Private Browsing window and try logging in again. If this works, clear your primary browser’s cache and cookies. Essential Security Best Practices for QLC Admins qlc admin login
Are you using a version or an on-premises local server? QLC applications run on specific network ports to
Corporate firewalls occasionally block non-standard web ports (like port 8080 or 8443). Temporarily disable local firewall restrictions or whitelist the specific QLC port. qlc admin login
Always change the default username and password immediately upon first login to prevent unauthorized access. Troubleshooting QLC Admin Login Issues