She performed a "Flag Clear" (or "Initial Clear"), holding down the Receipt Feed button while turning the key back to (Programming) mode.
The system detects a command that requires higher clearance.
If using a physical USB security key (dongle), ensure it is firmly plugged in and the indicator light is on. Try a different USB port to rule out hardware failure. Validate License Files Navigate to your installation folder (usually C:\Trend\IQVISION\security or similar). files. Ensure they have not expired or been moved. License Manager