Release 8.0 Service Pack 4a is now available! 

If users have already installed Service Pack 4, they do need to install Service Pack 4a to resolve issues creating companies and missing Dexterity components.

The only build level that changed was Great Plains (g64) and Dexterity (m085).

Here are the links:

 CustomerSource under Support | Downloads & Updates | Service Packs/Product Releases | Microsoft Business Solutions-Great Plains 8.0 Service Packs

https://mbs.microsoft.com/customersource/support/downloads/servicepacks/GreatPlains80_ServicePacks.htm

 PartnerSource under Downloads & Updates | Service Packs | Great Plains | Microsoft Business Solutions-Great Plains 8.0 Service Packs
https://mbs.microsoft.com/partnersource/products/greatplains/downloads/servicepack/GreatPlains80_ServicePacks.htm