Question / Help Steam homestreaming

[Josa]

I play on notebook over Steam Home-stream
I record game over OBS clasic fully work.
I record game over OBS studio, black screen

I use Game Capture
Mode: Capture specific window
Window: streaming_client.exe

Start OBS
Start game
Preview: I see game.
But can I <alt> + <tab> for go to windows, and press alt+tab go back game,preview is freeze on last screen (mouse cursor moving, but game screen freeze).

19:03:39.450: Update check: last known remote version is 0.16.2
19:04:12.351: [game-capture: 'Zachytávanie hry'] attempting to hook fullscreen process: streaming_client.exe
19:04:12.352: [game-capture: 'Zachytávanie hry'] using helper (direct hook)
19:04:12.437: [game-capture: 'Zachytávanie hry'] Hooked to process: streaming_client.exe
19:04:12.437: [game-capture: 'Zachytávanie hry'] (half life scientist) everything.. seems to be in order
19:04:12.437: [game-capture: 'Zachytávanie hry'] Hooked D3D9
19:04:16.385: [game-capture: 'Zachytávanie hry'] attempting to hook fullscreen process: streaming_client.exe
19:04:16.409: [game-capture: 'Zachytávanie hry'] d3d9 shared texture capture successful
19:04:21.868: [game-capture: 'Zachytávanie hry'] ----------------- d3d9 capture freed -----------------
19:04:21.873: [game-capture: 'Zachytávanie hry'] d3d9_shmem_capture: Failed to get backbuffer (0x8876086C)
19:04:21.873: [game-capture: 'Zachytávanie hry'] d3d9_get_swap_desc: Failed to get swap chain (0x8876086C)
19:04:21.873: [game-capture: 'Zachytávanie hry'] d3d9_get_swap_desc: Failed to get swap chain (0x8876086C)

sorry for my bad english