| Problem | Action |
|---|---|
| License rejected | Check credential type, edition, internet, system time, status and activation limit. |
| MySQL fails | Check host, port, grants and remote access from the desktop computer. |
| Printer missing | Configure a system printer or save PDF. |
| Plugin fails | Check license, compatibility, checksum, app version and card error. |
Support requests should include HotelDesk version, OS, Standalone/Remote, exact steps, sanitized screenshot and realtime wizard log. Never publish purchase codes, passwords, databases or guest data.