Prerequisites:
Save an old licences file(unknown serial key) in Program data Unity

1. Start Unity - "fail to re-activate dialog" appears
2. Click Re-activate in the Licences issue detected dialog

Result:
Returning current licences progress bar is shown for a short while

"Fail to reactivate/Update licences" dialog appears "Serial can´t be blanck(...)"-

3. click Re-activate to the dialog

"Fail to re-activate" dialog appears, "There was a problem communicating with the server(...)"

4. Click Ok

Result:
Activation can be preformed after this

Expected result:
I only need the first "fail to re-activate dialog" in step 1