As you have done the BIOS setting and now it is time to start the installation of MacOS Catalina on PC-Hackintosh, so, before going to install macOS Catalina insert the created bootable USB to your PC and restart your computer.
Mac Screenwriter 6.0 incompatible with High Sierra (MacOS 10.13) Mac Screenwriter 6.5 compatibility with High Sierra (MacOS 10.13) Dramatica Story Expert and MacOS 10.13 High Sierra - It Does Work! I just updated to Screenwriter 6.5 and I can't activate! pkg that gets stuck in the 'verifying' stage.
Delete that plugin or VST and you should load up troble free. When yu are loading up PP keep a close eye on the splash screen and see which plugin it stops at.