So I tried using the mapleroyals setup on my laptop and everytime I use it, it can't locate mapleroyals.msi. However I managed to locate the file and figured out that during the setup MapleRoyals.exe can be found in my temp folder, but the moment the setup completes it disappears. I have the thing working on my desktop so I tried transfering everything over on an external harddrive. The moment I plug in the harddrive, MapleRoyals.exe is deleted. Any ideas how to fix this? I tried disabling my firewall during the process.
I had a similar issue during my set up as well. Try installing the game files first, then download a new client to where you install the files while having your antivirus systems temporarily off.
Uninstall your anti-virus and you'll have no more problems having the .exe being detected as a Trojan.