If you are receiving Token Validation Error when downloading your instrument on Mac, try restarting your computer.
If you are still unable to download, try copying the download manager link from your email, and pasting it into a different internet browser (Chrome, FireFox, Safari).
If you are receiving Token Validation Error when downloading your instrument on Windows 10, try a different browser.
If you are receiving Token Validation Error when downloading your instrument on Windows 7, follow these steps: