With Voukoder 4 the log file next to the export file can't be deleted until the NLE is closed.
Code
[13:15:36] Exported 5128 frames in 97 seconds. (avg. 52 fps)
[13:15:36] Encoding loop finished (Code: 0)
[13:15:36] Flushing encoders and finalizing ...
[13:15:37] Video and audio buffers flushed.
[13:15:37] Trailer has been written.
[13:15:37] Closing encoders ...
[13:15:37] ---------------------------------------------
[13:15:37] Export finished
[13:15:37] ---------------------------------------------
[13:15:37] Unable to remove file .log from logging.