• Running ldd /usr/bin/ffmpeg | grep "avutil" outputs: libavutil.so.56 => /lib/aarch64-linux-gnu/libavutil.so.56 (0x0000007f9289f000).
  • mfc100u.dll. vcomp120.dll. d3dx9_32.dll. msvcr90.dll.
  • avutil-56_ms.dll - Winbindex.
  • avutil-ics-56.dll v. 56.19.101.0. FFmpeg v. 56.19.101.0. English (U.S.) FFmpeg utility library. VirusTotal.
  • In the vast majority of cases, the solution is to properly reinstall avutil-56.dll on your PC, to the Windows system folder.