Hflashplayer.exe ((install))

: A Flash Player emulator written in Rust. It’s significantly safer because it doesn't use the original, vulnerable Flash code. You can use it as a browser extension or a standalone app.

The safety of Hflashplayer.exe largely depends on its source and the context in which it's running on your system. Here are a few scenarios: Hflashplayer.exe

You can still find the official, standalone "Flash Player Debugger" via the Internet Archive files locally without browser plugins. If you decide to keep using it: Scan the file VirusTotal : A Flash Player emulator written in Rust