yes, I'm not using any virus scanners. Everything worked fine before update.
Here my lrtimelapse.log. Will this help?
[2020-04-23 19:08:39] INFO: Log file was created at E:\Users\Marek\Documents\LRTimelapse\LRTimelapse.log
[2020-04-23 19:08:39] DEBUG: Loading properties from C:\Users\Marek\AppData\Roaming\LRTimelapse\user.props
[2020-04-23 19:08:39] INFO: LRTimelapse 5.4 (2020-03-10) Build 618
[2020-04-23 19:08:39] INFO: © 2020 Gunther Wegner
[2020-04-23 19:08:39] INFO:
https://lrtimelapse.com
[2020-04-23 19:08:39] INFO: Java version: 11.0.3 (64bit) from AdoptOpenJDK
[2020-04-23 19:08:39] INFO: Running on: Windows 10 locale: no_NO
[2020-04-23 19:08:39] INFO: Windows architecture: 64 bit
[2020-04-23 19:08:39] INFO: Found 24 processor cores.
[2020-04-23 19:08:39] INFO: Java runtime: 64 bit
[2020-04-23 19:08:39] INFO: ------------------------------------
[2020-04-23 19:08:39] INFO: Licensed to: Marek Rzewuski, Hagan - Private License.
[2020-04-23 19:08:40] DEBUG: Registered Tiff-Reader: com.twelvemonkeys.imageio.plugins.tiff.TIFFImageReader@13f17eb4
[2020-04-23 19:08:40] DEBUG: Registered Tiff-Reader: com.sun.imageio.plugins.tiff.TIFFImageReader@19ae6bb
[2020-04-23 19:08:45] DEBUG: Launched worker with 24 threads.
[2020-04-23 19:08:45] DEBUG: Initializing directory chooser
[2020-04-23 19:08:45] DEBUG: Start path: R:\Video\2020\20200423\d600\a1
[2020-04-23 19:09:29] DEBUG: Launched worker with 24 threads.
[2020-04-23 19:09:30] DEBUG: Launching ExifTool: D:\usr\gfx\LRTimelapse 5\exiftool.exe
[2020-04-23 19:09:30] INFO: ExifTool: 11.38
[2020-04-23 19:09:30] DEBUG: Exif Tool available.
[2020-04-23 19:09:30] DEBUG: Using 64bit DNG Converter in C:\Program Files\Adobe\Adobe DNG Converter\Adobe DNG Converter.exe
[2020-04-23 19:09:30] DEBUG: DNG Converter available.
[2020-04-23 19:09:30] DEBUG: MPEG Encoder available.
[2020-04-23 19:09:30] INFO: Detected 1 screen:
[2020-04-23 19:09:30] INFO: Screen 1: 2560 1600
[2020-04-23 19:09:33] DEBUG: Using temp-dir: C:\Users\Marek\AppData\Local\Temp\lrt_3896959789586393671
[2020-04-23 19:09:33] INFO: Latest Version of LRTimelapse: 5.4.0 (2020-03-10), installed Version: 5.4 (2020-03-10)
[2020-04-23 19:09:33] DEBUG: Using DNG Converter: C:\Program Files\Adobe\Adobe DNG Converter\Adobe DNG Converter.exe
[2020-04-23 19:09:37] INFO: Done (dirchooser)...
[2020-04-23 19:09:37] DEBUG: Latest Version of Adobe DNG Converter: 12.2.0 (12020000) Installed Version: 12.2 (12020000)
[2020-04-23 19:09:37] DEBUG: Memory: [max|2048] [used|131] [free|1917]
[2020-04-23 19:09:38] DEBUG: Shutting down...
[2020-04-23 19:09:38] INFO: Memory watch thread exited...
[2020-04-23 19:09:38] INFO: Check for render thread exited.
[2020-04-23 19:09:38] DEBUG: Saving settings to property file C:\Users\Marek\AppData\Roaming\LRTimelapse\user.props
[2020-04-23 19:09:38] DEBUG: Successfully saved properties.
[2020-04-23 19:09:38] INFO: cu next time...