I am not a designer and use the program to open .psd files so I am sorry that this is total greek to me. I am unable to open .psd files. Here is message.
what action do I take to fix?
System.TypeLoadException: Could not load type 'PaintDotNet.Threading.PrivateThreadPool' from assembly 'PaintDotNet.Core, Version=4.12.6099.39434, Culture=neutral, PublicKeyToken=null'.
at PaintDotNet.Data.PhotoshopFileType.PsdLoad.Load(Stream input)
at PaintDotNet.FileType.Load(Stream input) in D:\src\pdn\src\Data\FileType.cs:line 496
at PaintDotNet.Functional.Func.Eval[T1,TRet](Func`2 f, T1 arg1) in D:\src\pdn\src\Base\Functional\Func.cs:line 158