Can I delete these files: GAC_.... ?

[Guest csc12345678]

I found these files in my /storage card/windows folder. Can anyone advise me whether I can delete them ? Thanks.

GAC_CustomMarshalers_v2_0_0_0_cneutral_1.dll

GAC_CustomMarshalers_v2_0_0_0_cneutral_2.dll

GAC_CustomMarshalers_v2_0_0_0_cneutral_3.dll

GAC_Microsoft.VisualBasic_v8_0_0_0_cneutral_1.dll

GAC_Microsoft.VisualBasic_v8_0_0_0_cneutral_2.dll

GAC_Microsoft.VisualBasic_v8_0_0_0_cneutral_3.dll

GAC_Microsoft.WindowsCE.Forms_v2_0_0_0_cneutral_1.dll

GAC_Microsoft.WindowsCE.Forms_v2_0_0_0_cneutral_2.dll

GAC_Microsoft.WindowsCE.Forms_v2_0_0_0_cneutral_3.dll

GAC_Microsoft.WindowsMobile.DirectX_v2_0_0_0_cneutral_1.dll

GAC_Microsoft.WindowsMobile.DirectX_v2_0_0_0_cneutral_2.dll

GAC_Microsoft.WindowsMobile.DirectX_v2_0_0_0_cneutral_3.dll

GAC_mscorlib_v2_0_0_0_cneutral_1.dll

GAC_mscorlib_v2_0_0_0_cneutral_2.dll

GAC_mscorlib_v2_0_0_0_cneutral_3.dll

GAC_System.Data_v2_0_0_0_cneutral_1.dll

GAC_System.Data_v2_0_0_0_cneutral_2.dll

GAC_System.Data_v2_0_0_0_cneutral_3.dll

GAC_System.Drawing_v2_0_0_0_cneutral_1.dll

GAC_System.Drawing_v2_0_0_0_cneutral_2.dll

GAC_System.Drawing_v2_0_0_0_cneutral_3.dll

GAC_System.Messaging_v2_0_0_0_cneutral_1.dll

GAC_System.Messaging_v2_0_0_0_cneutral_2.dll

GAC_System.Messaging_v2_0_0_0_cneutral_3.dll

GAC_System.Net.IrDA_v2_0_0_0_cneutral_1.dll

GAC_System.Net.IrDA_v2_0_0_0_cneutral_2.dll

GAC_System.Net.IrDA_v2_0_0_0_cneutral_3.dll

GAC_System.Web.Services_v2_0_0_0_cneutral_1.dll

GAC_System.Web.Services_v2_0_0_0_cneutral_2.dll

GAC_System.Web.Services_v2_0_0_0_cneutral_3.dll

GAC_System.Windows.Forms.DataGrid_v2_0_0_0_cneutral_1.dll

GAC_System.Windows.Forms.DataGrid_v2_0_0_0_cneutral_2.dll

GAC_System.Windows.Forms.DataGrid_v2_0_0_0_cneutral_3.dll

GAC_System.Windows.Forms_v2_0_0_0_cneutral_1.dll

GAC_System.Windows.Forms_v2_0_0_0_cneutral_2.dll

GAC_System.Windows.Forms_v2_0_0_0_cneutral_3.dll

GAC_System.Xml_v2_0_0_0_cneutral_1.dll

GAC_System.Xml_v2_0_0_0_cneutral_2.dll

GAC_System.Xml_v2_0_0_0_cneutral_3.dll

GAC_System_v2_0_0_0_cneutral_1.dll

GAC_System_v2_0_0_0_cneutral_2.dll

GAC_System_v2_0_0_0_cneutral_3.dll