For advanced users, the Camlic.ini file (located in C:\ProgramData\SheetCam TNG\ ) allows you to tweak how the software polls the dongle.
A for SheetCam TNG is a perpetual license. Les Newell (the developer) operates on a very fair model: you pay once, and you own that major version indefinitely. Sheetcam Tng License Camlic
If you are searching for you are likely one of two things: a CNC operator trying to reactivate your software, or someone looking for a workaround to unlock the full feature set. For advanced users, the Camlic
Go to the top menu and select Help > Install license file . For advanced users