When trying to play it, Windows simply stops and refuses. It's not the "optional" warning that can be bypassed.
Windows Defender has never flagged one of these games before, and I have played dozens of them.
Viewing post in Insurance salesperson Yukarin(English Version) comments
Then, it looks like a false positive of security software.
Unfortunately, I don't currently have a way to solve this problem.
If possible, answer the following questions regarding this issue.
・ What kind of security software are you using（"Windows Defender","ESET","Norton",etc...）?
・ What kind of virus does security software say was found?
Of course, answering is not obligatory.
However, if you know the above information, it will be a great help for future game production.
I will use this information to check the operation and make future games.
Even if the problem cannot be resolved, it will still be able to alert the viewer.
As I said - Windows Defender. It doesn't make an identification for me, it just refuses to let me execute the file.
I must say I have never seen anything unzip, yet have a zipped folder remaining. Why your images are in a zip file within the game folder after unpacking, I can't say. Maybe that is the issue with Windows Defender.
I have now certainly confirmed that it is caused by "Windows Defender".
If the error can be reproduced on my computer,i have Microsoft analyze it.
If you're in a hurry, change your Windows Defender settings and set an exception for the downloaded file.
Or maybe the ZIP file cannot be opened?
I had something similar case before, and I've solved it by putting my files on another server, can you give it a try?
http://dindin.sakura.ne.jp/voero2020/hokenya_yukarin_en.zip