.

apq-pc-client/src/main/java/com/priusis/controller/RemoteControlController.java

@@ -121,7 +121,7 @@ public class RemoteControlController {
         return R.success();
     }
 
-    public void stopVncServer() throws IOException, InterruptedException {
+    public synchronized void stopVncServer() throws IOException, InterruptedException {
         Runtime.getRuntime().exec("cmd /c net stop uvnc_service").waitFor();
         if (timer != null) timer.cancel();
     }