Hi Jurek! First of all, thanks for the test file! Stepping forward and backward via arrow keys (+10 / -10 seconds) works for me without crash.
The system is Debian bullseye reinstalled from scratch, GPU is AMD E-300 (HP 635 laptop using radeonsi). -- Vasyl Gello ================================================== Certified SolidWorks Expert Mob.:+380 (98) 465 66 77 E-Mail: vasek.ge...@gmail.com Skype: vasek.gello ================================================== 호랑이는 죽어서 가죽을 남기고 사람은 죽어서 이름을 남긴다