Firefox download problem from appveyour

Not sure what it would be related, changes in rpcs3 code, or github, or appveyour changes, but fact is that whenever i try to download lastes revisions of rpcs3 from appveyour, download complete but file still is ...part and never complete into usable .zip. When open firefox again, it shows Info mark at file at download list, pointing out some problems.
When i use edge all is okay

Please verify.

It's a Firefox security feature, more annoying than useful. To disable it, go to Options, select the Security tab, then uncheck "Warn you about unwanted and uncommon software".