Recently, Some antivirus programs have started blocking the CloudVeil for Windows program and installer as a threat. This is a false positive as the program is safe to run. You'll need to set your antivirus to allow this download. Here are the steps for that in Chrome and Windows Defender.
Turn off Safe Browsing in Chrome
Chrome blocks the download if Safe Browsing is turned on. Here is a step-by-step tutorial for turning that off to allow the download.
Windows Defender
Here are the steps for allowing the download in Windows Defender if it blocks it.