Characters that utilize the Secretary Method create a prog.exe program hidden in the Windows Temp folder. This has the effect of causing M.U.G.E.N to display abnormal behavior. As of April 2014, due to the nature of modifying external files outside of the M.U.G.E.N environment and the potential for such files to be classified as malware, the MUGEN Database does not allow links to these types of characters to be posted in articles.