I have PSE9, a 32 bit application, with the Google NIK plugins installed. In addition, I downloaded the DxO NIK trial before discovering it was a 64 bit and incompatible. I did not uninstall the DxO version. However, when PSE is launched, this appears.
Realizing this was the 64 bit DXO version, I found the “Uninstall” file and launched it intending to stop the update popup. Both DxO and Google versions were deleted. I fixed the problem with a system restore.
I expect I’m not the only trial user who made this mistake. I would expect the DxO uninstall to uninstall only the DxO version.