Were the VBRs necessary for self-registration?

>I've had most success with 'self-registration'. Even when I include .tlb and .vbrs with the .dll, I still can't get 'Extract COM' to work (but these are.vfp. dlls). It would be nice to get 'Extract COM' to work since it's the preferred way...
>>Hi all,
>>
>>We have third-party DLLs that we redistribute with our VFP8 applications and would like to have InstallShield register these components. I changed the Registration Type property (under COM & .Net Settings) of the DLLs to Extract COM Information and InstallShield hangs when I build the installer.
>>
>>Am I missing something obvious here (like .VBR, etc.)? Or should I use the other option: Self-registration.
>>
>>In case you've tried it, the components are:
>>1. Graphics Server 5.5
>>2. DynaZip
>>
>>TIA.