(error) i dont know what this error is but

[utsukushiikage]

System.OI.FileNotFoundException: Could not load file or assembly 'System.Core, Version=3.5.0.0, Culture=neutral,PublicKeyToken=b77a5c561934e089' at PaintDotNet.Setup.SetupWizard.MainImpl(String[] args) at PaintDotNet.Setup.SetupWizard.Main(String[] args) in D:\src\pdn\pdn_35x\src\SetupFrontEnd\SetupWizard.cs:line 976

WRN:Assembly binding logging is turned OFF. To enable assembly bind failure logging, set the refistry value [HKLM\Softwar\Microsoft\Fusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging 
To turn this feature off, remove the refistry value [HKLM\Software\Microsoft\Fusion!EnableLog].

i dont understand XD

Edited May 29, 2013 by utsukushiikage

[Ego Eram Reputo]

Stab in the dark - you may have a corrupt download.  Try downloading again and re-installing.

[pyrochild]

Looks more like a corrupted .NET Framework.

Go to Add/Remove programs, find Microsoft .NET Framework 3.5, and click Repair.