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7.0 7.5 7.8 8.0 HOW TO Microsoft Windows Phone

HOW TO install certificates file .cer on Microsoft Windows Phone-based devices

Be sure that you have exported the certificate as DER-coded-binary X.509 (.cer).
Send the Certificate file “.cer” via e-mail to an account configured on your Microsoft Windows Phone device.
Sync the Mail Box and tap on the attachment file to install the certificate.
Reboot your device.

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7.0 7.5 7.8 8.0 C#.NET Microsoft Nokia SDK 7.1 SDK 7.8 VB.NET Visual Studio Windows Phone

Microsoft Windows Phone – “0×89731811”

When you try to deploy a Windows Phone Project to a physical Windows Phone device show you the following error message:

0×89731811

Solution 1:

Launch the Zune software and check that the phone is connected to your pc.

Solution 2:

Deploy to Windows Phone Emulator

In Visual Studio, on the Standard toolbar, click Windows Phone Emulator.
Deploy to Windows Phone Emulator

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