Unhandled Exception: System.BadImageFormatException: Format of the executable (.exe) or library (.dll) is invalid. at Mono.Cecil.PE.ImageReader.ReadImage () <0x40467630 + 0x0015f> in <filename unknown>:0 at Mono.Cecil.PE.ImageReader.ReadImageFrom (System.IO.Stream stream) <0x40466f60 + 0x0005b> in <filename unknown>:0 at Mono.Cecil.ModuleDefinition.ReadModule (System.IO.Stream stream, Mono.Cecil.ReaderParameters parameters) <0x40466e00 + 0x00057> in <filename unknown>:0 at Mono.Cecil.ModuleDefinition.ReadModule (System.String fileName, Mono.Cecil.ReaderParameters parameters) <0x404667f0 + 0x00043> in <filename unknown>:0 at Mono.Cecil.ModuleDefinition.ReadModule (System.String fileName) <0x404667a0 + 0x00033> in <filename unknown>:0 at Mono.Cecil.AssemblyDefinition.ReadAssembly (System.String fileName) <0x40466760 + 0x0000f> in <filename unknown>:0 at Pdb2Mdb.Driver.Main (System.String[] args) <0x40465d50 + 0x00063> in <filename unknown>:0 [ERROR] FATAL UNHANDLED EXCEPTION: System.BadImageFormatException: Format of the executable (.exe) or library (.dll) is invalid. at Mono.Cecil.PE.ImageReader.ReadImage () <0x40467630 + 0x0015f> in <filename unknown>:0 at Mono.Cecil.PE.ImageReader.ReadImageFrom (System.IO.Stream stream) <0x40466f60 + 0x0005b> in <filename unknown>:0 at Mono.Cecil.ModuleDefinition.ReadModule (System.IO.Stream stream, Mono.Cecil.ReaderParameters parameters) <0x40466e00 + 0x00057> in <filename unknown>:0 at Mono.Cecil.ModuleDefinition.ReadModule (System.String fileName, Mono.Cecil.ReaderParameters parameters) <0x404667f0 + 0x00043> in <filename unknown>:0 at Mono.Cecil.ModuleDefinition.ReadModule (System.String fileName) <0x404667a0 + 0x00033> in <filename unknown>:0 at Mono.Cecil.AssemblyDefinition.ReadAssembly (System.String fileName) <0x40466760 + 0x0000f> in <filename unknown>:0 at Pdb2Mdb.Driver.Main (System.String[] args) <0x40465d50 + 0x00063> in <filename unknown>:0

Mono pdb to mdb debug symbol store converter Usage: pdb2mdb assembly