Explained: A familiar error message for some Windows Phone users

Ever since WhatsApp was pulled and then re-released this past weekend, we have had a small deluge in complaints from users that they cannot install the update. Instead, they are greeted with the above error message, resulting in user frustration. What’s more, uninstalling the app, resetting the phone and dancing around in a circle did not fix the problem either.

We’ve been trying to figure out exactly why some users have the problem while others, including ourselves, do not. Just as interestingly, we wanted to know which apps were exhibiting the error.

Microsoft has now detailed the problem on the Windows Phone Blog and there’s good news and some bad news. The good news is they acknowledge that there is an issue and they even know what is causing it. As it turns out, there are some problems with certificates for new apps published in the Marketplace within the last week. 

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