Zune update error 801811A5 on WP 7008 update

I'm have a Samsung Omnia7 in Australia.

Zune gives me error 801811A5 when I try to update my phone.


I had submitted a reply here yesterday and am surprised to find it disappeared over night.

As I was experiencing that same update error I researched many forums and tried a solution another person had found for himself. So far this solution has helped me and my wife (on two different PCs) to get the update working. Disclaimer: my Windows 7 is in German and I might translate some menu items poorly. Here it goes:

In the "Start" menu go to "System Control", within "System Control" go to "Services", or via "Administration" to "Services". In Services is an item called something like "Notification on system events", which seems to be set to "manual" by default. Start this service and try your Zune / Phone 7 update again. It should run smoothly now.

I am still surprised that this is not handled by the update routine, or that no more meaningful error message is issued. Anyway, good luck!


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Question Info

Last updated February 27, 2018 Views 4,585 Applies to: