PKHeX dosen't open.

[TFOTT]

Every time I try top open PKHeX it shows me this:

Exception Details:
System.TypeLoadException: Could not load type 'PKHeX.Core.ProgramLanguage' from assembly 'PKHeX.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.
   at PKHeX.WinForms.Main..ctor()
   at PKHeX.WinForms.Program.Main()

Loaded Assemblies:
--------------------
mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\windows\Microsoft.NET\Framework\v4.0.30319\mscorlib.dll

PKHeX, Version=19.9.19.0, Culture=neutral, PublicKeyToken=null
C:\Program Files\PKHeX\PKHeX.exe

System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\windows\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\System.dll

System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll

System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll

PKHeX.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
C:\Program Files\PKHeX\PKHeX.Core.dll

Accessibility, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
C:\windows\Microsoft.Net\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll

System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.Core\v4.0_4.0.0.0__b77a5c561934e089\System.Core.dll

--------------------
User Message:
An unhandled exception has occurred.
PKHeX must now close.
 

[Kaphotics]

Extract all files in the zip. Do not mix and match dll and exe with prior versions.