Window 10 64bit 1909
I checked both 32 and 64 bit versions of the Video Splitter Home Edition, and did not find the issue with registration.
Could you please check if your anti-virus software does not block the component? Also please let me know what anti-virus software you use.
Windows Defender, and it's just install failed at final step, even when WD & firewall disabled, then it automatically cancelled the installation, not blocked by WD.