| Problem | Likely Fix | |--------|-------------| | No sound playback | Install a virtual MIDI synth like CoolSoft VirtualMIDISynth or loopMIDI. | | Crashes when opening | Run as Admin; disable antivirus real-time scanning temporarily. | | Missing fonts (chord symbols) | Copy the EncoreFonts folder manually to Windows Fonts directory. | | Cannot save scores | You are in demo mode. Purchase a legacy license (rare) or accept the limitation. | | Mouse lag | Reduce screen resolution or disable "Show note preview" in Preferences. |