This is more a test to see how well the new fix is compatible with other systems

I've included all the fixes into 1 zip and instructions on how to use it.
if you need some images or a video on it let me know
I've included a fullscreen fix, 1600x900 window, my own window mode setting,the solution to fixing missing music and instructions on how to do it and common issues answers

https://mega.nz/#!uyRXWaLa!Ci2gaePA6Z53Gqq65zZyNpkCrtB8W3LA17-AJxqcV3c

fixed a registry error, i hope. reuploaded 17/6/19

currently working on re-encoding the movies from the 640x480 splash and 320x240 intro and ending video to a higher resolution

I followed every single instruction found in your text files regarding the music fix. yet inmm hits me with this error every time a track tries to be played or run in game:
S 07/19 19:12:20.548 ERROR Cannot render D:\Games\GOG Galaxy\Games\Tom Clancys Rainbow Six\MUSIC\Track09.ogg.
DirectShow filter for this format is not installed.
S 07/19 19:13:49.035 ERROR Cannot render D:\Games\GOG Galaxy\Games\Tom Clancys Rainbow Six\MUSIC\Track08.ogg.
DirectShow filter for this format is not installed.
S 07/19 19:14:07.803 ERROR Cannot render D:\Games\GOG Galaxy\Games\Tom Clancys Rainbow Six\MUSIC\Track16.ogg.
DirectShow filter for this format is not installed.
S 07/19 19:15:09.953 ERROR Cannot render D:\Games\GOG Galaxy\Games\Tom Clancys Rainbow Six\MUSIC\Track09.ogg.
DirectShow filter for this format is not installed.
S 07/19 19:18:06.892 ERROR Cannot render D:\Games\GOG Galaxy\Games\Tom Clancys Rainbow Six\MUSIC\Track09.ogg.
DirectShow filter for this format is not installed.
S 07/19 19:18:22.079 ERROR Cannot render D:\Games\GOG Galaxy\Games\Tom Clancys Rainbow Six\MUSIC\Track13.ogg.
DirectShow filter for this format is not installed.
S 07/19 19:18:51.663 ERROR Cannot render D:\Games\GOG Galaxy\Games\Tom Clancys Rainbow Six\MUSIC\Track07.ogg.
DirectShow filter for this format is not installed.


ETC....

what am I doing wrong? I set player to DirectShow as well as default to DirectShow?

seems like you dont have the codec installed, can i get you to try this if you don't already have installed
https://www.codecguide.com/download_kl.htm
just use the basic version

Bless your 400 IQ Australian brain.
It works now, thanks bro.