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by mrbobbell
Wed Oct 19, 2011 6:36 am
Forum: Magic Jack Technical Support
Topic: Error 401
Replies: 32
Views: 93439

Roll Back Your NIC Driver After Update (Error 401)

Let me confirm what the last few posters have said.

Windows 7 updated my NIC driver a few days ago. I had totally forgotten that fact when I began getting weird MJ errors. Finally, this morning I started receiving the dreaded "Error 401" and my MJ wouldn't work at all.

After reading all of the ...