==============================================================================
Compiler 'null':

C:\Users\andre\KeePass-2> "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /t:library /utf8output /R:"System.dll" /R:"System.Core.dll" /R:"System.Data.dll" /R:"System.Drawing.dll" /R:"System.Web.dll" /R:"System.Windows.Forms.dll" /R:"System.Xml.dll" /R:"C:\Users\andre\KeePass-2\KeePass.exe" /R:"C:\Users\andre\AppData\Local\KeePass\PluginCache\MHYIsnnSQKbk72ahjzOp\protobuf-net.dll" /R:"C:\Users\andre\AppData\Local\KeePass\PluginCache\MHYIsnnSQKbk72ahjzOp\zxing.dll" /R:"C:\Users\andre\AppData\Local\KeePass\PluginCache\MHYIsnnSQKbk72ahjzOp\zxing.presentation.dll" /out:"C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTP.dll" /debug- /optimize+ /res:"C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTP.Resources.Resources.resources" -define:KP_V_2_47_0  "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\CheckedGroupBox.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\DAO\OTPDAO_DB.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\DAO\OTPDAO_Entry.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\DAO\OTPDAO.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\GoogleAuthenticatorImport\GoogleAuthenticatorImport.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\GoogleAuthenticatorImport\GoogleAuthenticatorImportSelection.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\GoogleAuthenticatorImport\GoogleAuthenticatorImportSelection.Designer.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\HotkeyManager.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Migration.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Resources\Resources.Designer.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Util.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTP.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTPColumnProvider.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTPExt.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTPSetup.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTPSetup.Designer.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Options.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Options.Designer.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\PluginTranslation.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Properties\AssemblyInfo.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\DAO\TFASites.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Debug.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Tools_Controls.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Tools_Main.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Tools_Options.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Tools_UI.cs"


Microsoft (R) Visual C# 2005 Compiler version 8.00.50727.7057
for Microsoft (R) Windows (R) 2005 Framework version 2.0.50727
Copyright (C) Microsoft Corporation 2001-2005. All rights reserved.

error CS0006: Metadata file 'System.Core.dll' could not be found



==============================================================================
Compiler 'v3.5':

C:\Users\andre\KeePass-2> "C:\Windows\Microsoft.NET\Framework64\v3.5\csc.exe" /t:library /utf8output /R:"System.dll" /R:"System.Core.dll" /R:"System.Data.dll" /R:"System.Drawing.dll" /R:"System.Web.dll" /R:"System.Windows.Forms.dll" /R:"System.Xml.dll" /R:"C:\Users\andre\KeePass-2\KeePass.exe" /R:"C:\Users\andre\AppData\Local\KeePass\PluginCache\MHYIsnnSQKbk72ahjzOp\protobuf-net.dll" /R:"C:\Users\andre\AppData\Local\KeePass\PluginCache\MHYIsnnSQKbk72ahjzOp\zxing.dll" /R:"C:\Users\andre\AppData\Local\KeePass\PluginCache\MHYIsnnSQKbk72ahjzOp\zxing.presentation.dll" /out:"C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTP.dll" /debug- /optimize+ /res:"C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTP.Resources.Resources.resources" -define:KP_V_2_47_0  "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\CheckedGroupBox.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\DAO\OTPDAO_DB.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\DAO\OTPDAO_Entry.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\DAO\OTPDAO.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\GoogleAuthenticatorImport\GoogleAuthenticatorImport.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\GoogleAuthenticatorImport\GoogleAuthenticatorImportSelection.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\GoogleAuthenticatorImport\GoogleAuthenticatorImportSelection.Designer.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\HotkeyManager.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Migration.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Resources\Resources.Designer.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Util.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTP.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTPColumnProvider.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTPExt.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTPSetup.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\KeePassOTPSetup.Designer.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Options.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Options.Designer.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\PluginTranslation.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Properties\AssemblyInfo.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\DAO\TFASites.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Debug.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Tools_Controls.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Tools_Main.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Tools_Options.cs" "C:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\Utilities\Tools_UI.cs"


Microsoft (R) Visual C# 2008 Compiler version 3.5.30729.5420
for Microsoft (R) .NET Framework version 3.5
Copyright (C) Microsoft Corporation. All rights reserved.

c:\Users\andre\AppData\Local\Temp\D6F898F4D8D1724892849CD665251A3D\GoogleAuthenticatorImport\GoogleAuthenticatorImportSelection.cs(11,24): error CS0234: The type or namespace name 'Tasks' does not exist in the namespace 'System.Threading' (are you missing an assembly reference?)