I suggest that you also share this on Babiato. There's a great community there, and they are really active. (If this is not allowed, please feel free to delete my comment.) By pure chance, I came across this CapCut crack on Reddit, but I had never heard about this website before. I think your work would be much appreciated if you shared it with a wider audience as Babiato has, as many people are trying to find CupCat Pro for free.
An update: My friend used the VECreator.dll on 5.6.0 (Beta7) on Windows 10, and for him, the export with Pro effects is working perfectly. The only difference is that he never had CapCut installed on his computer before, whereas I had. I’ve installed, uninstalled, and changed between different versions using Revo Uninstaller Pro, always uninstalling in advanced mode. However, it’s likely that some leftovers were still left behind, which is why VECreator.dll didn’t work for me.