I know I am not the only one with this issue...and I have read almost every thread out there, but I cannot find the answer. I just installed SketchUp Pro 2015 on a Windows based 64 bit computer. Then I downloaded the latest 3Dconnexion driver (3DxWare64_v10-3-0_r2161) and reinstalled for my Space Mouse Pro. I cannot get the Mouse to work in Sketchup. I see an "rb" file in the 3Dconnexion folder, but when I try to install the extension in SU it tells me it cannot install.
SU 2015 typically looks for an "rbz" plugin extension. So, if I work through the Preferences it will not even "see" the plugin. I tried using a plugin that will allow 2015 to install an "rb" file - but, again, I get the error message that it cannot install this plugin.
I would appreciate any help you can provide. I know someone(s) is out there using SU 2015 with Windows 7 64 bit.

Thanks - Lorri