Here is the log from trying to install tap-windows-9.9.2_3
We are running on a 64-bit system.
Output folder: C:\Program Files\TAP-Windows\bin
Extract: devcon.exe... 100%
Output folder: C:\Program Files\TAP-Windows\driver
Extract: OemWin2k.inf... 100%
Extract: tap0901.cat... 100%
Extract: tap0901.sys... 100%
Output folder: C:\Program Files\TAP-Windows
Extract: license.txt... 100%
Extract: icon.ico... 100%
devcon.exe hwids returned: 0
TAP install (tap0901) (May require confirmation)
Device node created. Install is complete when drivers are installed...
Updating drivers for tap0901 from C:\Program Files\TAP-Windows\driver\OemWin2k.inf.
devcon.exe failed.
devcon.exe returned: 2
devcon.exe cumulative status: 2
Created uninstaller: C:\Program Files\TAP-Windows\Uninstall.exe
Completed
Here is the result of trying to update the driver from Device Manager.