Recently, I tried to download this zip file with Chrome v72.0.3626.121. Chrome simply deleted the file as soon as it downloaded it.
A mere message informed me that "Chrome has blocked jd-gui-windows-1.4.0.zip, because this file may be dangerous.". I did a quick search ending up on a Google support page.
This page explains why some downloads may be blocked. Among the proposed reasons, I spotted this one: "We think it might be a malicious, unwanted, or uncommon file."
So I sent this file to virustotal.com. You may check the detailed produced report. virustotal.com didn't find any problem with this file. On my side, I use the program in the zip regularly for years.
How can I disable this Chrome feature?