[jdobbs]

Originally Posted by DeathStalker77

[03/01/18] Checking System Settings
- BD-Rebuilder v0.50.25
- Windows Version: 6.2 [9200]
- Working Path Free Space: 153.18GB
- AVISYNTH Version: 2.6.1.0, not recommended version
- HAALI Splitter: Isn't recommended version
- FFDSHOW: 4532, not recommended version
- FFDSHOW VC-1 set to "wmv9", Ok
- FFDSHOW MPEG2 set to "libavcodec": Ok
- FFDSHOW AVC set to "libavcodec": Ok
- X264: Ok
- AFTEN: Ok
- FAAC: Ok
- MP4BOX: Ok
- WAVI: Ok
- TSMUXER: Ok
- FRIMEncode: Ok
- FRIMDecode: Ok
[03/01/18] Systems Settings Check complete

Interesting that AVISYNTH and HAALI say they aren't the recommended versions, as they are the official versions from the websites. Anything I can try?

*I'll check for hidden folders.
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Nope, checked and no hidden folders, no odd named folders - just what one would normally expect

Yes. Read the first post of this thread... and download the correct versions. I doubt that has anything to do with your problem, though. But you never know.

CopyDirStructure() is a very simple routine consisting of 33 lines of code. It simply steps through the folder structure on the source and re-creates it on the destination. Somewhere in that process a path is presented that kicks off that error. The error isn't coming from BD-RB, it is coming from the operating system. BD-RB is only reporting it. It's possible that the path may be too long, as well as having bad characters in it. You'd have to look through the source structure to find out.