Have a specific error code not covered here? Leave a comment (or consult the MSDN driver reference for NDIS 6.0 miniports).
If you meant something else by wandrv6 win7x64 (for example, an error code, a game, or a hardware model), please clarify and I will rewrite the essay accordingly.
: WanDrv6 reached peak popularity around 2015–2016 (e.g., version 6.6.2016.0815 ) before being succeeded by WanDrv7. Multilingual Support
That means: