If you trust the source, unblock it. If you have even 1% doubt, delete the file and scan your computer. Have a different file-blocking error? Let us know in the comments below!
How to Unblock a File in Windows (The 5-Second Fix) how to unblock a file
Your PC isn't broken. This is just a safety feature. Here is exactly how to unblock a file in less than 10 seconds. Why does Windows block files? By default, Windows adds a special "marker" to any file downloaded from the internet (email attachments, browsers, or cloud storage). When you try to run that file, Windows checks for that marker. If it finds one, it blocks the file "just in case" it is malicious. If you trust the source, unblock it