I also have this problem on Ubuntu 18.04. With VLsub 0.10.2 it also never opens the window and I get [code] main debug: auto hiding mouse cursor qt debug: activating or triggering extension 'VLsub 0.10.2' lua debug: Reactivating extension VLsub 0.10.2 lua debug: [VLsub] Welcome lua debug: [VLSub] W...