The Chief Architect trial versions can be converted to full working versions. You can even keep the plan you have been working on and continue working!
Unfortunately, hardware locks have the potential of being lost, stolen, or damaged. For whatever reason you may be able to replace a hardware lock.
If the registration wizard fails to locate the usb hardware lock device, check to ensure that the computer meets the software version's System Requirements. If the version is supported on the operating system, follow the instructions to download and install the appropriate driver for the device.