I have the latest SPCB 1.6 for SharePoint Online and the latest SharePoint Online Client Components SDK on my Windows 8.1 64 bits and still get this message
Comments: ** Comment from web user: BdeJager **
Comments: ** Comment from web user: BdeJager **
Please download the latest version of SharePoint Client Browser, there was an issue with missing files in the download package.
If you still have issues, please let me know.