So actually I tried this and it is still doing the same thing. Mind telling me, am I missing something here in my ahk? With the three seconds timing I can even see when demulshooter kicks in and the calibration error goes away, but the mouse still doesn't work.
Run, RSGame-Win64-Shipping.exe
Sleep, 3000
Run, DemulShooterX64.exe -target=unis -rom=racramp -useSingleMouse
;FOR EXITING THE GAME
esc::
Process, Close, RSGame-Win64-Shipping.exe
Run,taskkill /im "RSGame-Win64-Shipping.exe" /F
Process, Close, DemulShooterX64.exe
Run,taskkill /im "DemulShooterX64.exe" /F
sleep, 2000
ExitApp
return