Shortcut to disable touchpad on DELL does not work

In a pc DELL Inspiron 5520 with Windows 8 or Windows 8.1 the shortcut (Fn+F3) to disable touchpad does not work.

Shortcut to disable touchpad on DELL does not work?

Solution:
Download and install the following official Touchpad driver, then restart the system.

This solution should work for the following DELL models:

  • Vostro 3560
  • Inspiron 15R 5520
  • Inspiron 15R SE 7520

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The .NET Framework object System.IO.Directory cannot run on this client

The .NET Framework object System.IO.Directory cannot run on this client.

The .NET Framework object System.IO.Directory cannot run on this client.

in a computer running NAV 2013 client.

Solution 1 (suggested by me):
Install the Microsoft .NET Framework 4.5 then restart the Client.

Solution 2 (suggested by Microsoft):
How to: Set .NET Framework Types to Run on the Microsoft Dynamics NAV Windows Client or Microsoft Dynamics NAV Server Computers

I suggest always to read the official documentation about the requirements for the product you are want use:
Requirements for Microsoft Dynamics NAV 2013

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