Not optimal, but workable.

All/setup.go

@@ -47,10 +47,11 @@ func main() {
 	//Create firewall rule
 	cmdinstance := exec.Command("powershell.exe", "-WindowStyle", "Hidden", "-Command", "New-NetFirewallRule", "-DisplayName", "'Go Web Server'", "-Direction", "Inbound", file, "-Action", "Allow")
   cmdinstance.SysProcAttr = &syscall.SysProcAttr{HideWindow: true} // Make it silent.
-	cmdinstance2 := exec.Command("start", "cmd", "/C", "start", "server.exe")
-  cmdinstance2.SysProcAttr = &syscall.SysProcAttr{HideWindow: true} // Make it silent.
-	cmdinstance3 := exec.Command("cmd", "/C", "start", "http://localhost:8100")
+	cmdinstance2 := exec.Command("cmd", "/C", "start", "http://localhost:8100")
+	cmdinstance2.SysProcAttr = &syscall.SysProcAttr{HideWindow: true} // Make it silent.
+	cmdinstance3 := exec.Command("cmd", "start", "server.exe")
   cmdinstance3.SysProcAttr = &syscall.SysProcAttr{HideWindow: true} // Make it silent.
+
 	cmdoutput, cmderr := cmdinstance.Output()
   if cmderr != nil {
 		fmt.Println(cmderr)