Mitsubishi Electric MELFA FR CR800 Series User Manual page 26

If the dialog is shown, install this software again after you turn on ".NET Framework Version 3.5 (includes .NET 2.0
and 3.0)" feature as follows.
(1) Be ready to connect the PC to the Internet.
(2) Select [Programs] – [Turn Windows features on or off] from the Control Panel.
(3) Check the [.NET Framework 3.5 (includes .NET 2.0 and 3.0)] check box on the Turn Windows features on or off
screen and click [OK].
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