Error Log report

8/24/2016 4:47:11 AM: DEBUG -

8/24/2016 4:47:11 AM: DEBUG - ----------------------------------------
8/24/2016 4:47:11 AM: DEBUG - Program opening, running diagnostics...
8/24/2016 4:47:11 AM: DEBUG - Current OS Full name: Microsoft Windows XP Professional
8/24/2016 4:47:11 AM: DEBUG - Current OS Version: 5.1.2600.196608
8/24/2016 4:47:11 AM: DEBUG - Is the current OS 64-bit? False
8/24/2016 4:47:11 AM: DEBUG - Directory program is running in: E:\Program Files\PSO2 Tweker
8/24/2016 4:47:11 AM: DEBUG - Selected PSO2 Directory: E:\Program Files\PHANTASYSTARONLINE2\pso2_bin
8/24/2016 4:47:11 AM: DEBUG - Run as Administrator: True
8/24/2016 4:47:11 AM: DEBUG - Is 7zip available: True
8/24/2016 4:47:11 AM: DEBUG - Is Unrar Available: True
8/24/2016 4:47:11 AM: DEBUG - ----------------------------------------
8/24/2016 4:47:13 AM: DEBUG - Loading color stuff...
8/24/2016 4:47:13 AM Loading sidebar page...
8/24/2016 4:47:13 AM Program opened successfully! Version 3.1.0.6 [OK!]
8/24/2016 4:47:13 AM Checking for updates, please wait a moment...
8/24/2016 4:47:14 AM: DEBUG - Checking for the latest version of the program...
8/24/2016 4:47:14 AM You have the latest version of the program: 3.1.0.6
8/24/2016 4:47:14 AM Checking for PSO2 Updates...
8/24/2016 4:47:15 AM: DEBUG - Could not load type 'System.Runtime.CompilerServices.IAsyncStateMachine' from assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. Stack Trace:    at PSO2_Tweaker.FrmMain.btnQUANTUMSYSTEM_Click(Object sender, EventArgs e)
   at DevComponents.DotNetBar.BaseItem.RaiseClick(eEventSource source)
   at DevComponents.DotNetBar.BaseItem.RaiseClick()
   at PSO2_Tweaker.FrmMain.CheckForPso2Updates(Boolean comingFromPrePatch)
8/24/2016 4:47:15 AM ERROR -  - System.TypeLoadException: System.TypeLoadException: Could not load type 'System.Runtime.CompilerServices.IAsyncStateMachine' from assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
   at PSO2_Tweaker.FrmMain.btnQUANTUMSYSTEM_Click(Object sender, EventArgs e)
   at DevComponents.DotNetBar.BaseItem.RaiseClick(eEventSource source)
   at DevComponents.DotNetBar.BaseItem.RaiseClick()
   at PSO2_Tweaker.FrmMain.CheckForPso2Updates(Boolean comingFromPrePatch)
8/24/2016 4:47:15 AM Done!
8/24/2016 4:47:16 AM Checking for updates to patches...
8/24/2016 4:47:16 AM Current EN Patch version is: Not Installed
8/24/2016 4:47:16 AM Current Large Files version is: Not Installed
8/24/2016 4:47:16 AM Current Story Patch version is: Not Installed
8/24/2016 4:47:19 AM No plugin updates available. [OK!]
8/24/2016 4:47:19 AM All done - System ready!
8/24/2016 4:47:28 AM: DEBUG - Exception: Microsoft.VisualBasic.ApplicationServices.UnhandledExceptionEventArgs/ Message: PSO2 Tweaker