Okay we have made some progress. V4.1.5 works when I run it with the bat file. As a test I have V4.1.5 uninstalled and install version V4.2.4. The same problem occurs, i only can run it with the bat...
@Fae Solution 1 Fail Solution 2 Fail Solution 3 Fail All three options are unsuccessful, i think it has to do with java. I am now back on version omada 3.2.10, it works perfectly. it's just strange...