The following DLL should be placed in this folder:

pcre2-16.dll

You can get pcre2-16.dll at https://github.com/jpbro/VbPcre2/tree/master/bin

If you are going to redistribute this reg-free to other computers, you should also place the following DLLs in this folder:
NOTE: VBPCRE2.dll is no longer required, only pcre2-16.dll is!

cairo_sqlite.dll
DirectCOM.dll
RC6.dll

You can get cairo_sqlite.dll, DirectCOM.dll, and RC6.dll at https://www.vbrichclient.com

For reg-free distribution to other computers, you will also want to put Krool's OCXs in this folder and add an SxS manifest to the VB6SourceProcessor.exe