In case Driver Genius reports error 2 next to downloaded driver, please navigate to the download folder of Driver Genius and install the driver in question manually by clicking the right-hand-side mouse button on top of it and select option Run as Administrator.
By default this folder is located in C:\ProgramData\DriverGenius\Downloads\
This option can be altered from Driver Genius options (the cog icon on the top right corner of program's interface) sub-option Update

In case the downloaded archive is in 7z file extension, please install 7zip software to extract the drivers.

Depending how the computer account is configured folder ProgramData may be hidden. In order to access Driver Genius download folder please copy the complete destination path and pasted in the address bar of File Explorer and press Enter button on the keyboard.

This useful article here explains how to change folder options so to show hidden folders and files.

Please submit a request if you need further help and assistance.