When using a download link that you received by email, you might get the following error message:
“A serious error occurred. Download may not work”
This means the download link URL has been modified from the original; it may have been truncated by your email software (such as after a line break), or some characters were skipped or mistyped if copy-pasted or manually typed to the address bar.
Additionally, if you have security software with a URL scanner function, such as Mimecast or Symantec One-Click, this function may have modified the URL, which can disable it the download link.