The quiet installation process doesn’t seem to do anything.
Could you please try running the installer with logging enabled:
msiexec /i c:\temp\FrostMX_2.0.5_win64.msi /quiet /log c:\temp\log.txt
And then send us a copy of the log?
I think the most likely problem is that you aren’t running the installer as an Administrator (i.e, you’ll need to open a command prompt with “Run as Administrator”).
Hmm doesn’t seem to do anything from a network path.
Something that’s caught me before: you must use backslashes in the path, not forward slashes.
If you use a forward slash in the path, it will fail and output an empty log file.