No sound or camera movement when first loading game

Since the update to the latest PTS version a few days ago, the first time I load the game there is no sound, and the camera angle is unresponsive. All other controls work, changing between 1st/3rd person, starting engine etc, but camera angle stays stubbornly fixed in the default position.

Exiting to desktop and immediately reloading the game usually resolves the issue, though occasionally it takes two reloads.

Leaving the game for a while and loading up again later (with no system reboots in between) is inconsistent; sometimes everything works as normal, sometimes a reload or two is needed to get everything working again.

yes.... this right. need to press esc. first and then it works