Installing Discord Error

Jul 8, 2018
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Hello I am trying to install discord but I keep getting this error when I try to install it:

8896> 2018-07-08 12:46:59> Unhandled exception: System.IO.FileNotFoundException: Could not load file or assembly 'PresentationCore, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
File name: 'PresentationCore, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'
at Squirrel.Update.Program.executeCommandLine(String[] args)
at Squirrel.Update.Program.main(String[] args)

=== Pre-bind state information ===
LOG: DisplayName = PresentationCore, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
(Fully-specified)
LOG: Appbase = file:///C:/Users/Justi/AppData/Local/SquirrelTemp/
LOG: Initial PrivatePath = NULL
Calling assembly : PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35.
===
LOG: This bind starts in default load context.
LOG: No application configuration file found.
LOG: Using host configuration file:
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\v4.0.30319\config\machine.config.
LOG: The same bind was seen before, and was failed with hr = 0x80070002.

Does anyone know what it means?